CTG AND CTGD AUTOMATIC TRANSFER SWITCH (ATS) ELECTRICAL SYSTEM

RENR5853
Schematic
CTG and CTGD
Automatic Transfer Switch (ATS)
Electrical System
CTG
TSA1-UP
CTGD
TSB1-UP
JANUARY 2002
CTG:
40-200 Amp
225-260 Amp
400 Amp
600-1200 Amp
1600-3000 Amp
CTGD:
40-260 Amp
400 Amp
600-3000 Amp
CTG(D) Options:
A6
C/D One Channel Clock
C/D Two Channel Clock
C/D-365
HT
Q2
Q3
T3/W3
ZNET100
6A
ATS Electrical Schematics
Power Circuit and
Layout 3/4 Pole
Power Circuit and
Layout 2 Pole
Page 3
Page 4
Page 5
N/A
Page 6
Page 7
Page 8
Page 9
N/A
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 25 Page 26
Page 29
Page 30
Page 23
Page 27
Page 31
Page 24
Page 28
Page 32
Page 40
Page 33
Page 33
Page 35
Page 36
Page 37
Page 38
Page 39
Page 34
Page 41
Page 42
Page 34
Page 2
NOTE: You must have the “hand tool” to select these.
For component locations :
For a glossary of features and options abbreviations:
Click on the page number to jump to the desired page.
Sheet 1
Sheet 2 Sheet 1
Sheet 2
Sheet 1
Sheet 2
Sheet 1
Sheet 2
Sheet 1
Sheet 2
Shortcut Keys
Component Location Index
Glossary
N3
T3
N2
T2
N1
T1
NN
TN
E3
E2
E1
EN
306
CCE
CCE
CCN
206
CCN
22
21
20
32
31
30
- BRIDGE RECTIFIER
- MAIN TRANSFER OPERATOR
20 21 22 323130
E1,2,3,N - EMERGENCY LINE
T1,2,3,N - LOAD
N1,2,3,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
4 WIRE SYSTEMS.
A3-1A4-1
BR
CNE
307209
JUMPER
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
16
15
14
CNE
BR
307R208R
307A
208
-
+
SCN SCE
- CNE LIMIT SWITCHESSCN/SCE
T3T2T1 TN
E3E2
E1
EN
N3N2N1 NN
20 21 22
14 15 16
30 31 32
CNE
BR
307R
208R
208
307A
-
+
SCE
SE A3
SN A4
LEGEND
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
807
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
G
(BLANK)
ATS Electrical Schematic
CTG 3/4 Pole
40 - 200 Amp
Sheet 1 of 2
SCN
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 3
25ZZ
25ZA
36
GND
DS
(BLANK)
(BLANK)
SE
SN
J6
26
SE
SN
25ZA
SE -
SN -
EMERGENCY POSITION
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
DS - DISCONNECT SWITCH
ON MX100
DS
206 306
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21 22
1514
30 31
16
902
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
20 21 22
1514 16
30 31
32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
RELAY/TRANSFORMER BOX
XE1XN1
3130
800
902
804
806
805
803
21
20
24V
10V
11V
804
807
XN2
21
22
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9
PANEL TO POWER PANEL
ATS
J5
J5
903
900
J9
J7
CCN
J8 ON BOTTOM J5 ON BOTTOM
CCE
A
306
31
900
TERMINAL CONNECTION PTS.
307
30
901
1
4
7
2
5
8
3
6
9
B
206
21
800
209
20
801
DS
800
24V
10V
11V
900
902
904
906
905
903
1
4
7
2
5
8
3
6
9
A
B
CCN
CCE
ATS Electrical Schematic
CTG 3/4 Pole
40 - 200 Amp
Sheet 2 of 2
Page 4
N2
T2
N1
T1
NN
TN
E2
E1
EN
306
CCE
CCE
CCN
206
CCN
21
20
31
30
- BRIDGE RECTIFIER
- MAIN TRANSFER OPERATOR
20 21 31
30
E1,2,N - EMERGENCY LINE
T1,2,N - LOAD
N1,2,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
3 WIRE SYSTEMS.
A3-1A4-1
BR
CNE
307209
JUMPER
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
15
14
CNE
BR
307R208R
307A
208
-
+
SCN SCE
- CNE LIMIT SWITCHESSCN/SCE
T2
T1
TN
E2
E1
EN
N2
N1
NN
20
21
14
15
30
31
CNE
BR
307R
208R
208
307A
-
+
SCE
SE A3
SN A4
LEGEND
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
XE1 -
NORMAL CONTROL TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
SINGLE PHASE NORMAL SENSING
XN2 - NORMAL 3-PHASE SENSING TRANSFORMER
807
10V
G 804
G/W 807
XN2
22
BK/W
(NOT USED)
(BLANK)
***
***
ATS Electrical Schematic
CTG 2 Pole
40 - 200 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
SCN
Page 5
206 306
1 3
7 9
905 906 805 806
800902 801 901 GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21
1514
30 31
902
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
20 21
1514
30 31
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
RELAY/TRANSFORMER BOX
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9
PANEL TO POWER PANEL
ATS
J5
J5
903
900
807
800
DS
XE1XN1
3130
800
902
804
806
805
803
21
20
24V
10V
11V
804
807
XN2
21
22
J9
J7
CCN
J8 ON BOTTOM
J5 ON BOTTOM
CCE
A
306
31
900
TERMINAL CONNECTION PTS.
307
30
901
1
4
7
2
5
8
3
6
9
B
206
21
800
209
20
801
24V
10V
11V
900
902
904
906
905
903
1
4
7
2
5
8
3
6
9
A
B
LEGEND
WIRE CONNECTION
***
ATS POWER PANEL.
TRANSFORMER BOX.
CONNECTED TO
WIRE #22 IS NOT
WIRED IN RELAY/
WIRE #22 REMAINS
22
22
25ZZ
25ZA
36
GND
(BLANK)
(BLANK)
SE
SN
J6
26
SE
SN
25ZA
SE -
SN -
EMERGENCY POSITION
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
DS
DS - DISCONNECT SWITCH
ON MX100
DS
ATS Electrical Schematic
CTG 2 Pole
40 - 200 Amp
Sheet 2 of 2
Page 6
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
LEGEND
14
15
16
161514
JUMPER
A3-2
A3-2
A3-1
A3-1
209 307
CN/CE
CA
A4-2
A4-1
A3-2
A3-1
GND
4 WIRE SYSTEMS.
CAPACITOR
206 306
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,3,N - NORMAL LINE
T1,2,3,N - LOAD
E1,2,3,N - EMERGENCY LINE
A3 SE
SNA4
CA
306
208
206
A4-2
A4-2
A4-1
A4-1
323130
222120
CN/CE
NNN1 N2 N3
ENE1 E2 E3
TNT1 T2 T3
30
31 32
222120
- MAIN TRANSFER OPERATOR
- MAIN TRANSFER OPERATOR
208
30
31
32
20
21
22
CN/CE
CA
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
E3
TN
NN
T1
N1
T2
N2
T3
N3
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
807
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
(BLANK)
ATS Electrical Schematic
CTG 3/4 Pole
225 - 260 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 7
206 306
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21 22
1514
30 31 32
16
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
CCN
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
800
902
LEGEND
WIRE CONNECTION
OPTIONAL
DS
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTG 3/4 Pole
225 - 260 Amp
Sheet 2 of 2
Page 8
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
*** XN2 -
NORMAL CONTROL TRANSFORMER
NORMAL 3-PHASE SENSING TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
SINGLE PHASE NORMAL SENSING
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
(BLANK)
(NOT USED)
807
10V
G 804
G/W 807
XN2
XE1 - EMERGENCY CONTROL TRANSFORMER
22
BK/W
LEGEND
14
15
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
15
14
JUMPER
A3-2
A3-2
A3-1
A3-1
209 307
CN/CE
CA
A4-2
A4-1
A3-2
A3-1
GND
3 WIRE SYSTEMS.
CAPACITOR
206 306
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,N - NORMAL LINE
T1,2,N - LOAD
E1,2,N - EMERGENCY LINE
A3 SE
SNA4
CA
306
208
206
A4-2
A4-2
A4-1
A4-1
31
30
21
20
CN/CE
NN
N1
N2
EN
E1
E2
TN
T1
T2
30 312120
- MAIN TRANSFER OPERATOR
- MAIN TRANSFER OPERATOR
208
30
31
20
21
CN/CE
CA
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
TN
NN
T1
N1
T2
N2
AUXILIARY CONTACTS
ATS POWER CIRCUIT SCHEMATIC
ATS POWER PANEL LAYOUT
ATS Electrical Schematic
CTG 2 Pole
225 - 260 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 9
206 306
1 3
7 9
905 906 805 806
800902 801 901 GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21
1514
30 31
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21
1514
30 31
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
CCN
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
804807
XN2
2122
807
WIRE #22 REMAINS WIRED IN
RELAY/ TRANSFORMER BOX.
WIRE #22, IS NOT CONNECTED
TO ATS POWER PANEL.
800
902
LEGEND
DS
22
22
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
CONTROL PANEL
TO MX SERIES
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTG 2 Pole
225 - 260 Amp
Sheet 2 of 2
Page 10
A4-1
A4-1
A4-2
A4-2
LEGEND
+
-
A3-2
A3-2
A3-1
A3-1
323130
161514
222120
NNN1 N2 N3
ENE1 E2 E3
TNT1 T2 T3
208
307A
208R 307R
BR
SCN
SCE
SNSEA3A3 A4A4
CNE
SCN/SCE - CNE LIMIT SWITCHES
SCESCN
+
-
208
307A
208R 307R
BR
CNE
14
15
16
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
JUMPER
209 307
CNE
BR
A4-2
A4-1
A3-2
A3-1
4 WIRE SYSTEMS.
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,3,N - NORMAL LINE
T1,2,3,N - LOAD
E1,2,3,N - EMERGENCY LINE
30 31 32222120
- MAIN TRANSFER OPERATOR
- BRIDGE RECTIFIER
30
31
32
20
21
22
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
E3
TN
NN
T1
N1
T2
N2
T3
N3
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
807
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
(BLANK)
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
ATS Electrical Schematic
CTG 3/4 Pole
400 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 11
25ZZ
25ZA
0
l
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
CONTROL PANEL
TO MX SERIES
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
206 306
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21 22
1514
30 31 32
16
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
(IF REQUIRED)
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
C
C
N
4 2 6
3 1 5
307
901
30 31
900
306
C
C
E
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
800
902
LEGEND
DS
ATS Electrical Schematic
CTG 3/4 Pole
400 Amp
Sheet 2 of 2
Page 12
LEGEND
+
-
A3-2
A3-2
A3-1
A3-1
A4-2
A4-2
A4-1
A4-1
31
30
15
14
21
20
NN
N1
N2
EN
E1
E2
TN
T1
T2
208
307A
208R 307R
BR
SCN
SCE
SNSEA3A3 A4A4
CNE
SCN/SCE - CNE LIMIT SWITCHES
SCESCN
+
-
208
307A
208R 307R
BR
CNE
14
15
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
JUMPER
209 307
CNE
BR
A4-2
A4-1
A3-2
A3-1
3 WIRE SYSTEMS.
AS SPECIFIED FOR
SWITCHED OR SOLID NEUTRAL
N1,2,N - NORMAL LINE
T1,2,N - LOAD
E1,2,N - EMERGENCY LINE
30
31
2120
- MAIN TRANSFER OPERATOR
- BRIDGE RECTIFIER
30
31
20
21
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
TN
NN
T1
N1
T2
N2
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
XE1 -
NORMAL CONTROL TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
SINGLE PHASE EMERGENCY SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
BL
800
BL/W
902
G
804
G/W
803
Y
805
Y/W
806
BL
900
BL/W
902
G
904
G/W
903
Y
905
Y/W
906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
SINGLE PHASE NORMAL SENSING
(BLANK)
XN2 - NORMAL 3-PHASE SENSING TRANSFORMER
(NOT USED)
807
10V
G
804
G/W
807
XN2
22
BK/W
ATS Electrical Schematic
CTG 2 Pole
400 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 13
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
CONTROL PANEL
TO MX SERIES
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
206 306
1 3
7 9
905 906 805 806
800902 801 901 GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209307
20 21
1514
30 31
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21
1514
30 31
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
CCN
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
804807
XN2
2122
807
WIRE #22 REMAINS WIRED IN
RELAY/TRANSFORMER BOX.
WIRE #22, IS NOT CONNECTED
TO ATS POWER PANEL.
800
902
LEGEND
DS
22
22
ATS Electrical Schematic
CTG 2 Pole
400 Amp
Sheet 2 of 2
Page 14
SEE
NOTE 2
SEE
NOTE 2
LEGEND
209 307
CCECCN
CN CE
A3-2
A3-2
A3-1
A3-1
SE
SN
CE
A3
A4
A4-2
A4-2
A4-1
A4-1
323130
161514
222120
CN
NN N1 N2 N3
EN E1 E2 E3
TN T1 T2 T3
14
15
16
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
CE
CN
A4-2
A4-1
A3-2
A3-1
4 WIRE SYSTEMS.
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,3,N - NORMAL LINE
T1,2,3,N - LOAD
E1,2,3,N - EMERGENCY LINE
- EMERGENCY TRANSFER OPERATOR
30 31 32222120
- NORMAL TRANSFER OPERATOR
30
31
32
20
21
22
206
CCN
CCE
306
EN
E1
E2
E3
TN
NN
T1
N1
T2
N2
T3
N3
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
YELLOW/WHITE STRIPE-Y/W
BLUE/WHITE STRIPE-BL/W
(1)
(18)
NORMAL 24V OUTPUT
EMERGENCY 24V OUTPUT
900
800
YELLOW
GREEN/WHITE STRIPE
GREEN
BLUE
BLACK/WHITE STRIPE
BLACK
-
-
-
-
-
-
Y
G/W
G
BL
BK/W
BK
COLOR CODES:
TRANSFORMER LEADS
906Y/W
905Y
903G/W
904G
902BL/W
900BL
807G/W
804G
806Y/W
805Y
803G/W
804G
902BL/W
800BL
901
BK
BK/W
BK/W
BK
BK/W
EMERGENCY CONTROL POWER
NORMAL CONTROL POWER
3-PHASE NORMAL SENSING
SINGLE PHASE EMERGENCY SENSING
(BLANK)
801
EMERGENCY CONTROL TRANSFORMER
TRANSFORMER
NORMAL 3 PHASE SENSING
NORMAL CONTROL TRANSFORMER
XE1 -
XN2 -
XN1 -
CCECCN
XN2XN1
10V11V10V24V
XE1
11V10V24V
J5
COMMON
CCN - COIL CONTROL RELAY (NORMAL)
CCE - COIL CONTROL RELAY (EMERGENCY)
GROUND
(BLANK)
(BLANK)
806
805
906
905
904
803
804
807
901
801
902
903
GND
RELAY/TRANSFORMER BOX SCHEMATIC
ATS Electrical Schematic
CTG 3/4 Pole
600 - 1200 Amp
Sheet 1 of 2
NOTE 2:
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
NOTE 1:
WHEN (1) A3 & (1) A4 ARE
SUPPLIED, LIMIT SWITCHES
WILL MOUNT TO RIGHT OF
SOLENOIDS WHEN (2) A3 & (2)
A4 ARE SUPPLIED, LIMIT
SWITCHES WILL MOUNT TO
LEFT OF SOLENOIDS.
Page 15
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
CONTROL PANEL
TO MX SERIES
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
DS
LEGEND
902
800
209307
209307
900
903
J5
J5
ATS
PANEL TO POWER PANEL
J10J9
CONTROL PANEL
MX SERIES
BOX
TRANSFORMER
RELAY/
J6
J8
J7
PANEL
POWER
J5 ON BOTTOM
XN2
J9J10
XN1
J7
J8
XE1
CCE
CC
N
OPTIONAL
WIRE CONNECTION
(IF REQUIRED)
CONTROL PANEL
BOX TO AUXILIARY
(IF REQUIRED)
BOX TO POWER PANEL
RELAY/TRANSFORMER
129
41
323130
1614 15
222120
RELAY/TRANSFORMER
97
31
306206
CONTROL PANEL
BOX TO AUXILIARY
RELAY/TRANSFORMER
129
41
16
323130
14 15
222120
MX SERIES CONTROL PANEL
RELAY/TRANSFORMER BOX TO MX SERIES CONTROL
BOX TO POWER PANEL
RELAY/TRANSFORMER
64
31
1810
91
25ZA25ZZ
3626904803804
GND
807
901801902 800
806805906905
97
31
306206
22
21
807 804
11V10V24V11V10V24V
2021
803
805
806
804
902
800
3031
903
905
906
904
902
900
306
900
31
30
901
307
513
624
206
800
21
20
801
209
513
624
INTERCONNECT PLUG DIAGRAM
RELAY/TRANSFORMER BOX
J7
J10J9
J6
J8
J5
INTERCONNECT PLUGS
ATS Electrical Schematic
CTG 3/4 Pole
600 - 1200 Amp
Sheet 2 of 2
Page 16
LEGEND
307209
CCE
CCN
CN CE
A3-2
A3-2
A3-1
A3-1
SE
SN
CE
A3
A4
A4-2
A4-2
A4-1
A4-1
3130
1514
2120
CN
NNN1 N2
ENE1 E2
TNT1 T2
14
15
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
CE
CN
A4-2
A4-1
A3-2
A3-1
3 WIRE SYSTEMS.
AS SPECIFIED FOR
SWITCHED OR SOLID NEUTRAL
N1,2,N - NORMAL LINE
T1,2,N - LOAD
E1,2,N - EMERGENCY
- EMERGENCY TRANSFER OPERATOR
30
31
2120
- NORMAL TRANSFER OPERATOR
30
31
20
21
206
CCN
CCE
306
EN
E1
E2
TN
NN
T1
N1
T2
N2
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
SEE
NOTE 2
SEE
NOTE 2
BK/W
22
XN2
807G/W
804G
10V
807
(NOT USED)
NORMAL 3-PHASE SENSING TRANSFORMER*** XN2 -
XN1 -
(BLANK)
YELLOW/WHITE STRIPE-Y/W
BLUE/WHITE STRIPE-BL/W
(1)
(18)
NORMAL 24V OUTPUT
EMERGENCY 24V OUTPUT
900
800
YELLOW
GREEN/WHITE STRIPE
GREEN
BLUE
BLACK/WHITE STRIPE
BLACK
-
-
-
-
-
-
Y
G/W
G
BL
BK/W
BK
COLOR CODES:
TRANSFORMER LEADS
906Y/W
905Y
903G/W
904G
902BL/W
900BL
806Y/W
805Y
803G/W
804G
902BL/W
800BL
901
BK
BK/W
BK
BK/W
EMERGENCY CONTROL POWER
NORMAL CONTROL POWER
SINGLE PHASE NORMAL SENSING
SINGLE PHASE EMERGENCY SENSING
801
EMERGENCY CONTROL TRANSFORMER
NORMAL CONTROL TRANSFORMER
XE1 -
CCECCN
XN1
11V10V24V
XE1
11V10V24V
J5
COMMON
CCN - COIL CONTROL RELAY (NORMAL)
CCE - COIL CONTROL RELAY (EMERGENCY)
GROUND
(BLANK)
(BLANK)
806
805
906
905
904
803
804
901
801
902
903
GND
RELAY/TRANSFORMER BOX SCHEMATIC
ATS Electrical Schematic
CTG 2 Pole
600 - 1200 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
WHEN (1) A3 & (1) A4 ARE
SUPPLIED, LIMIT SWITCHES
WILL MOUNT TO RIGHT OF
SOLENOIDS WHEN (2) A3 & (2)
A4 ARE SUPPLIED, LIMIT
SWITCHES WILL MOUNT TO
LEFT OF SOLENOIDS.
NOTE 1:
NOTE 2:
Page 17
DS
ON MX100
DS - DISCONNECT SWITCH
(1)
(6)
CONTROL PANEL
TO MX SERIES
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SN
SE
26
J6
SN
SE
(BLANK)
(BLANK)
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
22
22
DS
LEGEND
902
800
209307
209307
TO ATS POWER PANEL.
WIRE #22 IS NOT CONNECTED
RELAY/ TRANSFORMER BOX.
WIRE #22 REMAINS WIRED IN
807
XN2
900
903
J5
J5
ATS
PANEL TO POWER PANEL
J10J9
CONTROL PANEL
MX SERIES
BOX
TRANSFORMER
RELAY/
J6
J8
J7
PANEL
POWER
J5 ON BOTTOM
J9J10
XN1
J7
J8
XE1
CCE
CC
N
OPTIONAL
WIRE CONNECTION
(IF REQUIRED)
CONTROL PANEL
BOX TO AUXILIARY
(IF REQUIRED)
BOX TO POWER PANEL
RELAY/TRANSFORMER
129
41
3130
14 15
2120
RELAY/TRANSFORMER
97
31
306206
CONTROL PANEL
BOX TO AUXILIARY
RELAY/TRANSFORMER
129
41
3130
14 15
2120
MX SERIES CONTROL PANEL
RELAY/TRANSFORMER BOX TO MX SERIES CONTROL
BOX TO POWER PANEL
RELAY/TRANSFORMER
64
31
1810
91
25ZA25ZZ
3626904803804
GND901801902 800
806805906905
97
31
306206
22 21
807 804
11V10V24V11V10V24V
2021
803
805
806
804
902
800
3031
903
905
906
904
902
900
306
900
31
30
901
307
513
624
206
800
21
20
801
209
513
624
INTERCONNECT PLUG DIAGRAM
RELAY/TRANSFORMER BOX
J7
J10J9
J6
J8
J5
INTERCONNECT PLUGS
ATS Electrical Schematic
CTG 2 Pole
600 - 1200 Amp
Sheet 2 of 2
Page 18
N3
T3
N2
T2
N1
T1
NN
TN
E3
E2
E1
EN
306
CCECCN
206
22
21
20
32
31
30
20 21 22 323130
E1,2,3,N - EMERGENCY LINE
T1,2,3,N - LOAD
N1,2,3,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
4 WIRE SYSTEMS.
A3-1
A3-2
A4-1
A4-2
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
16
15
14
T3T2T1TN
E3E2E1EN
N3N2N1NN
CN
20 21 22
14 15 16
30 31 32
A4
A3
CE
SN
SE
CN
RN
RE
+
-
RN
209R
+
-
A4-1
A4-1
A4-2
A4-2
A3-1
A3-1
A3-2
A3-2
+
-
CE
RE
306R206R
+
-
307R
- EMERGENCY TRANSFER OPERATORCE
- NORMAL TRANSFER OPERATORCN
- NORMAL BRIDGE RECTIFIERRN
- EMERGENCY BRIDGE RECTIFIERRE
CCN CCE
209 307
LEGEND
NOTE 2
SEE
NOTE 2
SEE
(BLANK)
YELLOW/WHITE STRIPE-Y/W
BLUE/WHITE STRIPE-BL/W
(1)
(18)
NORMAL 24V OUTPUT
EMERGENCY 24V OUTPUT
900
800
YELLOW
GREEN/WHITE STRIPE
GREEN
BLUE
BLACK/WHITE STRIPE
BLACK
-
-
-
-
-
-
Y
G/W
G
BL
BK/W
BK
COLOR CODES:
TRANSFORMER LEADS
906Y/W
905Y
903G/W
904G
902BL/W
900BL
807G/W
804G
806Y/W
805Y
803G/W
804G
902BL/W
800BL
901
BK
BK/W
BK/W
BK
BK/W
EMERGENCY CONTROL POWER
NORMAL CONTROL POWER
3-PHASE NORMAL SENSING
SINGLE PHASE EMERGENCY SENSING
801
EMERGENCY CONTROL TRANSFORMER
TRANSFORMER
NORMAL 3 PHASE SENSING
NORMAL CONTROL TRANSFORMER
XE1 -
XN2 -
XN1 -
CCECCN
XN2XN1
10V11V10V24V
XE1
11V10V24V
J5
COMMON
CCN - COIL CONTROL RELAY (NORMAL)
CCE - COIL CONTROL RELAY (EMERGENCY)
GROUND
(BLANK)
(BLANK)
806
805
906
905
904
803
804
807
901
801
902
903
GND
RELAY/TRANSFORMER BOX SCHEMATIC
ATS Electrical Schematic
CTG 3/4 Pole
1600 - 3000 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
WHEN (1) A3 & (1) A4 ARE
SUPPLIED, LIMIT SWITCHES
WILL MOUNT TO RIGHT OF
SOLENOIDS WHEN (2) A3 & (2)
A4 ARE SUPPLIED, LIMIT
SWITCHES WILL MOUNT TO
LEFT OF SOLENOIDS.
NOTE 2:
Page 19
25ZZ
25ZA
36
GND
ATR/DS
(BLANK)
(BLANK)
SE
SN
J6
26
DS
SE
SN
25ZA
DS -
SE -
SN -
DISCONNECT SWITCH
EMERGENCY POSITION
LIMIT SWITCH
NORMAL POSITION
LIMIT SWITCH
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
ON MX100
DS
LEGEND
902
800
900
903
J5
J5
ATS
PANEL TO POWER PANEL
J10J9
CONTROL PANEL
MX SERIES
BOX
TRANSFORMER
RELAY/
J6
J8
J7
PANEL
POWER
J5 ON BOTTOM
XN2
J9J10
XN1
J7
J8
XE1
C
C
E
C
C
N
OPTIONAL
WIRE CONNECTION
(IF REQUIRED)
CONTROL PANEL
BOX TO AUXILIARY
BOX TO POWER PANEL
RELAY/TRANSFORMER
129
41
323130
1614 15
222120
307 209
RELAY/TRANSFORMER
97
31
306206
CONTROL PANEL
BOX TO AUXILIARY
RELAY/TRANSFORMER
129
41
16
323130
14 15
222120
307 209
MX SERIES CONTROL PANEL
RELAY/TRANSFORMER BOX TO MX SERIES CONTROL
BOX TO POWER PANEL
RELAY/TRANSFORMER
64
31
1810
91
25ZA25ZZ
3626904803804
GND
807
901801902 800
806805906905
97
31
306206
22
21
807 804
11V10V24V11V10V24V
2021
803
805
806
804
902
800
3031
903
905
906
904
902
900
306
900
31
30
901
307
513
624
206
800
21
20
801
209
513
624
INTERCONNECT PLUG DIAGRAM
RELAY/TRANSFORMER BOX
J7
J10J9
J6
J8
J5
INTERCONNECT PLUGS
ATS Electrical Schematic
CTG 3/4 Pole
1600 - 3000 Amp
Sheet 2 of 2
Page 20
LEGEND
901
801
25B
35B
36
901A
801A
25ZA
25ZA
25ZA
25B
35B
35B
25B
26
25ZA
25ZA
25ZA
25ZA
25ZA
SNO-2 SOL-2
SNO-1 SOL-1
SE-2 SEO-2
SN-2 SEO-1
SN-1 SE-1
SOL-1
SOL-2
234 COM
SOL
SNO
SEO
309 308
CCEO CCNO
406
CCEO CCNO
506
14
15
16
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
161514
JUMPER
A3-2
A3-2
A3-1
A3-1
209
307
CN/CE
CA
A4-2
A4-1
A3-2
A3-1
GND
4 WIRE SYSTEMS.
CAPACITOR
206 306
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,3,N - NORMAL LINE
T1,2,3,N - LOAD
E1,2,3,N - EMERGENCY LINE
A3 SE
SNA4
CA
306
208
206
A4-2
A4-2
A4-1
A4-1
323130
222120
CN/CE
NNN1 N2 N3
ENE1 E2 E3
TNT1 T2 T3
30 31 32222120
- MAIN TRANSFER OPERATOR
- MAIN TRANSFER OPERATOR
208
30
31
32
20
21
22
CN/CE
CA
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
E3
TN
NN
T1
N1
T2
N2
T3
N3
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
ATS Electrical Schematic
CTGD 3/4 Pole
40 - 260 Amp
GND
903
902
801
901
807
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY
(OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY (OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5B
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
(BLANK)
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE1STRIPE
CCEO
CCNO
908
808
908
808
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 21
206 306
506
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5B
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209
309
307 406
20 21 22
1514
30 31 32
16
902
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
CCN
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5B ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5A
J5B
903
900
5 1 3
6 2 4
309
808
20 21
800
406
C
C
EO
5 1 3
6 2 4
308
908
30 31
900
506
C
C
N
O
25B
35B
808908
308
309308
406
506
CONTROL PANEL
AUXILIARY
PLUG J5A AND TO POWER PANEL
J11
20 21 800
COM234
30 31 900
901A
900
1 4
9 12
J11
AUXILIARY CONTROL
PANEL TO
POWER PANEL
800
801A
800
LEGEND
DS
LIMIT SWITCH
DS
ON MX100
DS - DISCONNECT SWITCH
POSITION LIMIT SWITCH
NORMAL OPEN
POSITION LIMIT SWITCH
EMERGENCY OPEN
SNO -
SEO -
25B
35B
SN-1
SE-1
SNO-1
SN-2 SEO-1
SEO-2
SNO-2
(1)
(6)
CONTROL PANEL
TO MX SERIES
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SE-2
26
J6
SN
SE
SNO
SEO
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTGD 3/4 Pole
40 - 260 Amp
Sheet 2 of 2
Page 22
Sheet 1 of 2
LEGEND
901
801
25B
35B
36
901A
801A
25ZA
25ZA
25ZA
25B
35B
35B
25B
26
25ZA
25ZA
25ZA
25ZA
25ZA
SNO-2 SOL-2
SNO-1 SOL-1
SE-2 SEO-2
SN-2 SEO-1
SN-1 SE-1
SOL-1
SOL-2
234 COM
SOL
SNO
SEO
309 308
CCEO CCNO
406
CCEO CCNO
506
14
15
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
1514
JUMPER
A3-2
A3-2
A3-1
A3-1
209
307
CN/CE
CA
A4-2
A4-1
A3-2
A3-1
GND
3 WIRE SYSTEMS.
CAPACITOR
206 306
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,N - NORMAL LINE
T1,2,N - LOAD
E1,2,N - EMERGENCY LINE
A3 SE
SNA4
CA
306
208
206
A4-2
A4-2
A4-1
A4-1
3130
2120
CN/CE
NNN1 N2
ENE1 E2
TNT1 T2
30
31
2120
- MAIN TRANSFER OPERATOR
- MAIN TRANSFER OPERATOR
208
30
31
20
21
CN/CE
CA
CCN
206
CCN
CCE
CCE
306
EN
E1
E2
TN
NN
T1
N1
T2
N2
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
ATS Electrical Schematic
CTGD 2 Pole
40 - 260 Amp
GND
903
902
801
901
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY
(OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY (OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5B
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
XE1 -
NORMAL CONTROL TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
SINGLE PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W
806
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
CCEO CCNO
908
808
908
808
(BLANK)
*** XN2 -
NORMAL 3-PHASE SENSING TRANSFORMER
(NOT USED)
807
10V
G 804
G/W 807
XN2
22
BK/W
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 23
206 306
506
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5B
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209
309
307 406
20 21 22
1514
30 31 32
16
902
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
K-1260
4 2 6
3 1 5
209
801
20 21
800
206
CCN
K-1260
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5B ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5A
J5B
903
900
K-1260
5 1 3
6 2 4
309
808
20 21
800
406
CCEO
K-1260
5 1 3
6 2 4
308
908
30 31
900
506
CCNO
25B
35B
808908
308
309308
406
506
CONTROL PANEL
AUXILIARY
PLUG J5A AND TO POWER PANEL
J11
20 21 800
COM234
30 31 900
901A
900
1 4
9 12
J11
AUXILIARY CONTROL
PANEL TO
POWER PANEL
800
801A
800
LEGEND
DS
LIMIT SWITCH
DS
ON MX100
DS - DISCONNECT SWITCH
POSITION LIMIT SWITCH
NORMAL OPEN
POSITION LIMIT SWITCH
EMERGENCY OPEN
SNO -
SEO -
25B
35B
SN-1
SE-1
SNO-1
SN-2 SEO-1
SEO-2
SNO-2
(1)
(6)
CONTROL PANEL
TO MX SERIES
NORMAL POSITION
LIMIT SWITCH
EMERGENCY POSITION
SN -
SE -
25ZA
SE-2
26
J6
SN
SE
SNO
SEO
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTGD 3/4 Pole
40 - 260 Amp
Page 24
N3
T3
N2
T2
N1
T1
NN
TN
E3
E2
E1
EN
22
21
20
32
31
30
- EMERGENCY TRANSFER OPERATOR
E1,2,3,N - EMERGENCY LINE
T1,2,3,N - LOAD
N1,2,3,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
4 WIRE SYSTEMS.
A3-1
A3-2
A4-1
A4-2
CE/O
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
16
15
CCNO
CCNO
CCN
CCN
CN/O
206
20 21 22 323130
RTN
401R
400R
217
201
209 308
CCE
CCE
CCEO
CCEO
CE/O
406
RTE
500R
501R
502
309
SCEO SCE 306
+ -
+ -
14
SCN SCNO
506
307A
JUMPER
JUMPER
307
CN/0 - NORMAL TRANSFER OPERATOR
RTE - BRIDGE RECTIFIER, CE/O
RTN - BRIDGE RECTIFIER, CN/O
SCE/SCEO - CE/O CUTOUT SWITCHES
SCN/SCNO - CN/O CUTOUT SWITCHES
T3T2T1 TN
E3E2E1 EN
N3N2N1 NN
CE/O
20 21 22
14 15 16
30 31 32
SCE
SCEO
RTE
500R501R
307A
502
A3-1
A3-1
A3-2
A3-2
A4
A4
SN
SNO
CN/O
SCN
SCNO
RTN
401R 400R
201
217
A3
A3
SEO
SE
A4-1
A4-1
A4-2
A4-2
-
+
- +
LEGEND
GND
903
902
801
901
807
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY
(OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY 
(OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
(BLANK)
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
901
BL
800
BL/W
902
G
804
G/W
803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
CCEO CCNO
908
808
908
808
ATS Electrical Schematic
CTGD 3/4 Pole
400 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 25
206 306
506
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209
309
307 406
20 21 22
1514
30 31 32
16
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
C
C
N
4 2 6
3 1 5
307
901
30 31
900
306
C
C
E
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
5 1 3
6 2 4
309
808
20 21
800
406
C
C
EO
5 1 3
6 2 4
308
908
30 31
900
506
C
C
N
O
25B
35B
808908
308
309308
406
506
800
902
LEGEND
DS
25ZZ
25ZA
36
GND
(BLANK)
SEO
SNO
SE
SN
J6
26
SE
SN
25ZA
SE -
SN -
EMERGENCY POSITION
NORMAL POSITION
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
SNO
SEO
25B
35B
SNO - NORMAL OPEN POSITION
SEO - EMERGENCY OPEN POSITION
LIMIT SWITCH
DS - DISCONNECT SWITCH
ON MX100
DS
LIMIT SWITCH
LIMIT SWITCH
LIMIT SWITCH
ATS Electrical Schematic
CTGD 3/4 Pole
400 Amp
Sheet 2 of 2
Page 26
N2
T2
N1
T1
NN
TN
E2
E1
EN
21
20
31
30
- EMERGENCY TRANSFER OPERATOR
E1,2,N - EMERGENCY LINET1,2,N - LOADN1,2,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
3 WIRE SYSTEMS.
A3-1
A3-2
A4-1
A4-2
CE/O
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
15
CCNO
CCNO
CCN
CCN
CN/O
206
20 21 3130
RTN
401R
400R
217
201
209 308
CCE
CCE
CCEO
CCEO
CE/O
406
RTE
500R
501R
502
309
SCEO SCE 306
+ -
+ -
14
SCN SCNO
506
307A
JUMPER
JUMPER
307
CN/0 - NORMAL TRANSFER OPERATOR
RTE - BRIDGE RECTIFIER, CE/O
RTN - BRIDGE RECTIFIER, CN/O
SCE/SCEO - CE/O CUTOUT SWITCHES
SCN/SCNO - CN/O CUTOUT SWITCHES
T2
T1
TN
E2
E1
EN
N2
N1
NN
CE/O
20
21
14
15
30
31
SCE
SCEO
RTE
500R501R
307A
502
A3-1
A3-1
A3-2
A3-2
A4
A4
SN
SNO
CN/O
SCN
SCNO
RTN
401R 400R
201
217
A3
A3
SEO
SE
A4-1
A4-1
A4-2
A4-2
-
+
- +
LEGEND
GND
903
902
801
901
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY
(OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY
(OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
XE1 -
NORMAL CONTROL TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
SINGLE PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
CCEO CCNO
908
808
908
808
(BLANK)
XN2 - NORMAL 3-PHASE SENSING TRANSFORMER
(NOT USED)
807
10V
G 804
G/W 807
XN2
22
BK/W
ATS Electrical Schematic
CTGD 2 Pole
400 Amp
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 27
206 306
506
1 3
7 9
905 906 805 806
800902 801 901 GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209
309
307 406
20 21
1514
30 31
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21
1514
30 31
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
C
C
N
4 2 6
3 1 5
307
901
30 31
900
306
C
C
E
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
5 1 3
6 2 4
309
808
20 21
800
406
C
C
EO
5 1 3
6 2 4
308
908
30 31
900
506
C
C
N
O
25B
35B
808908
308
309308
406
506
804807
XN2
2122
807
WIRE #22 REMAINS WIRED IN
RELAY/ TRANSFORMER BOX.
WIRE #22, IS NOT CONNECTED
TO ATS POWER PANEL.
800
902
LEGEND
DS
22
22
25ZZ
25ZA
36
GND
(BLANK)
SEO
SNO
SE
SN
J6
26
SE
SN
25ZA
SE -
SN -
EMERGENCY POSITION
NORMAL POSITION
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
SNO
SEO
25B
35B
SNO - NORMAL OPEN POSITION
SEO - EMERGENCY OPEN POSITION
LIMIT SWITCH
DS - DISCONNECT SWITCH
ON MX100
DS
LIMIT SWITCH
LIMIT SWITCH
LIMIT SWITCH
ATS Electrical Schematic
CTGD 2 Pole
400 Amp
Sheet 2 of 2
Page 28
N3
T3
N2
T2
N1
T1
NN
TN
E3
E2
E1
EN
306
CCE
CCNO
CCN
206
CCEO
22
21
20
32
31
30
- CLOSE INTO EMERGENCY,
20 21 22
323130
E1,2,3,N - EMERGENCY LINE
T1,2,3,N - LOAD
N1,2,3,N - NORMAL LINE
ATS POWER PANEL LAYOUT
* SWITCHED OR SOLID NEUTRAL
AS SPECIFIED FOR
TRANSFER OPERATOR
4 WIRE SYSTEMS.
A3-1
A3-2
A4-1
A4-2
CE
506406
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
OPTIONAL
LOCATED ON RELAY/
TRANSFORMER BOX
AUXILIARY CONTACTS
16
15
14
- CLOSE INTO NORMAL,
TRANSFER OPERATOR
CN
- OPEN FROM EMERGENCY,
TRANSFER OPERATOR
CEO
- OPEN FROM NORMAL,
TRANSFER OPERATOR
CNO
- CE BRIDGE RECTIFIERRE
- CN BRIDGE RECTIFIERRN
- CEO BRIDGE RECTIFIERREO
- CNO BRIDGE RECTIFIERRNO
T3T2T1TN
E3E2E1EN
N3N2N1NN
CN
20 21 22
14 15 16
30 31 32
A4
A3
SNO
SEO
RN
RNO
+
-
CNO
CE
CEO
SN
SE
REO
RE
+
-
+
-
A4-1
A4-1
A4-2
A4-2
A3-1
A3-1
A3-2
A3-2
+
-
CN
RN
+
REO
+
-
CEO
CE
CNO
RE
+
RNO
+
206R 208R 306R 307R
308R406R 209R 506R
-
--
CCN CCE
CCEO CCNO
307
308
209
309
LEGEND
ATS Electrical Schematic
CTGD 3/4 Pole
600 - 300 Amp
GND
903
902
801
901
807
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY
(OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY 
(OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V 10V
XN1 XN2
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
(BLANK)
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
901
BL
800
BL/W
902
G
804
G/W
803
Y
805
Y/W
806
G
804
G/W
807
BL
900
BL/W
902
G
904
G/W
903
Y
905
Y/W
906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
CCEO CCNO
908
808
908
808
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
Page 29
206 306
506
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
209
309
307 406
20 21 22
1514
30 31 32
16
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
209307
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
C
C
N
4 2 6
3 1 5
307
901
30 31
900
306
C
C
E
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
804807
XN2
2122
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
5 1 3
6 2 4
309
808
20 21
800
406
C
C
EO
5 1 3
6 2 4
308
908
30 31
900
506
C
C
N
O
25B
35B
808908
308
309308
406
506
800
902
LEGEND
DS
25ZZ
25ZA
36
GND
(BLANK)
SEO
SNO
SE
SN
J6
26
SE
SN
25ZA
SEO -
SNO -
EMERGENCY OPEN POSITION
LIMIT SWITCH
NORMAL OPEN POSITION
LIMIT SWITCH SCHEMATIC
TO MX SERIES
CONTROL PANEL
(6)
(1)
SNO
SEO
SN - NORMAL POSITION
SE - EMERGENCY POSITION
35B
25B
DS - DISCONNECT SWITCH
ON MX100
DS
LIMIT SWITCH
LIMIT SWITCH
LIMIT SWITCH
ATS Electrical Schematic
CTGD 3/4 Pole
600 - 3000 Amp
Sheet 2 of 2
Page 30
Sheet 1 of 2
NOTES
ATS SHOWN IN NORMAL
POSITION WITH NO POWER
AVAILABLE.
LEGEND
308
309
209
CCE
307
CCNO
CCN
CCEO
-
-
-
506R209R406R 308R
307R306R208R206R
+
RNO
+
RE
CNO
CE
CEO
-
+
REO
+
RN
CN
-
+
A3-2
A3-2
A3-1
A3-1
A4-2
A4-2
A4-1
A4-1
-
+
-
+
RE
REO
SE
SN
CEO
CE
CNO
-
+
RNO
RN
SEO
SNO
A3
A4
3130
1514
2120
CN
NN
N1 N2
EN
E1 E2
TN
T1 T2
RNO - CNO BRIDGE RECTIFIER
REO - CEO BRIDGE RECTIFIER
RN - CN BRIDGE RECTIFIER
RE - CE BRIDGE RECTIFIER
CNO
TRANSFER OPERATOR
- OPEN FROM NORMAL,
CEO
TRANSFER OPERATOR
- OPEN FROM EMERGENCY,
CN
TRANSFER OPERATOR
- CLOSE INTO NORMAL,
14
15
TRANSFORMER BOX
LOCATED ON RELAY/
OPTIONAL
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
406 506
CE
A4-2
A4-1
A3-2
A3-1
3 WIRE SYSTEMS.
TRANSFER OPERATOR
AS SPECIFIED FOR
* SWITCHED OR SOLID NEUTRAL
N1,2,N - NORMAL LINE
T1,2,N - LOAD
E1,2,N - EMERGENCY LINE
30
31
2120
- CLOSE INTO EMERGENCY,
30
31
20
21
CCEO
206
CCN
CCNO
CCE
306
EN
E1
E2
TN
NN
T1
N1
T2
N2
AUXILIARY CONTACTS
ATS POWER PANEL LAYOUT
GND
903
902
801
901
804
803
904
905
906
805
806
CCEO - COIL CONTROL RELAY (OPEN EMERGENCY)
CCNO - COIL CONTROL RELAY (OPEN NORMAL)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5
24V 10V 11V
XE1
24V 10V 11V
XN1
CCN CCE
XN1 -
XE1 -
NORMAL CONTROL TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
801
SINGLE PHASE EMERGENCY SENSING
SINGLE PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
CCEO CCNO
908
808
908
808
(BLANK)
XN2 - NORMAL 3-PHASE SENSING TRANSFORMER
(NOT USED)
807
10V
G 804
G/W 807
XN2
22
BK/W
ATS Electrical Schematic
CTGD 2 Pole
600 - 3000 Amp
Page 31
206 306
506
1 3
7 9
905 906 805 806
800902 801 901 GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
INTERCONNECT PLUGS
J5
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROLRELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
406
20 21
1514
30 31
1 4
9 12
J9
RELAY/TRANSFORMER
BOX TO AUXILIARY
CONTROL PANEL
206 306
1 3
7 9
J10
RELAY/TRANSFORMER
20 21
1514 16
30 31
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
(IF REQUIRED)
BOX TO AUXILIARY
CONTROL PANEL
(IF REQUIRED)
WIRE CONNECTION
OPTIONAL
RELAY/TRANSFORMER BOX
5 1 3
6 2 4
209
801
20 21
800
206
C
C
N
5 1 3
6 2 4
307
900
30 31
901
306
C
C
E
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
J10 J9
J5 ON BOTTOM
POWER
PANEL
J7
J8
J6
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
J9 J10
PANEL TO POWER PANEL
ATS
J5
J5
903
900
5 1 3
6 2 4
309
808
20 21
800
406
C
C
EO
5 1 3
6 2 4
308
908
30 31
900
506
C
C
N
O
25B
35B
808908
406
506
804807
XN2
2122
WIRE #22 REMAINS WIRED IN
RELAY/ TRANSFORMER BOX.
WIRE #22 IS NOT CONNECTED
TO ATS POWER PANEL.
807
307
308
309
209
307
308
309
209
800
902
LEGEND
DS
22
22
LIMIT SWITCH
LIMIT SWITCH
LIMIT SWITCH
DS
ON MX100
DS - DISCONNECT SWITCH
25B
35B
EMERGENCY POSITIONSE -
NORMAL POSITIONSN -
SEO
SNO
(1)
(6)
CONTROL PANEL
TO MX SERIES
NORMAL OPEN POSITION
LIMIT SWITCH
EMERGENCY OPEN POSITION
SNO -
SEO -
25ZA
SN
SE
26
J6
SN
SE
SNO
SEO
(BLANK)
GND
36
25ZA
25ZZ
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTGD 2 Pole
600 - 3000 Amp
Sheet 2 of 2
Page 32
Sheet 1 of 2
RA6N
RA6E
RA6N
.......
413D
902
413D
413D
413A
T3/W3
RA6N
T3/W3
413B
J8
Socket female (Qty. 8)
Pin male (Qty. 8)
Plug-R/T Box
J8............
Normal Presignal Relay...24VAC. Relay
J11 PLUG
TO
35A
26A
J11 PLUG
TO
J5A PLUG
TO
908
25ZA
908A
413A
908
413C
902
13
14
4
9
10
1112
5678
12
3
J11 PLUG
TO
25A
36A
J11 PLUG
TO
J5A PLUG
TO
808
25ZA
808A
413B
J8
J8
J11
24VAC. FROM R/T BOX
(EMERGENCY)
(COMMON)
(NORMAL)
900
800
902
MX100
SIGNAL
EMERG. OPEN
RA6N
J5A
J11
A4R
808A 808
RA6N
MX100
SIGNAL
NORMAL OPEN
RA6E
J5A
J11
A3R
908A
900
908A
800
800
808A
RA6E
J11
RA6E
35A
J11
J11
RA6N
25A
25A
35A
35A
808
413C
TB
413C
413B
A6
13144
9101112
5678
12
3
A6
RA6E
413C
413D
413A
SE-1
SN-2
SE-2
26A
36A
J11
J11
RA6N
SN-1
DS
RA6E
CONNECTIONS FOR 400A ATS
ALTERNATE SN-1,2 LIMIT SWITCH
CONNECTIONS FOR 400A ATS
ALTERNATE A4R LIMIT SWITCH
25ZA
35B
26
26A
SN-2
SN-1
808A
A4R
DELAY MODEL
to transfer the switch to Emergency. A6 recloses (or T3/W3 circuit reopens).
The Emergency transfer relay(s) picks up and closes its contacts
(adjustable) until MX100 timer times out.
When Normal fails, A6 circuit is open (or T3/W3 circuit closes)
to transfer the switch to Normal. A6 recloses (or T3/W3 circuit reopens).
The Normal transfer relay(s) picks up and closes its contacts
(adjustable) until MX100 timer times out.
When Normal restores, A6 circuit opens (or T3/W3 circuit closes)
Normal Position
Emergency Position
Auxiliary Contact-Normal Position
Auxiliary Contact-Emergency Position
Control Transformer, Normal
Control Transformer, Emergency
Control Relay, Close Normal
Control Relay, Close Emergency
J5A, J5B, J6, J7, J8, J11
Interconnect Plugs
SN-1,2.......
SE-1,2......
A4R............
A3R............
Power Panel Limit Switches
XN1,XN2........
XE1............
CCN............
CCE............
Relay/Transformer Box
Standard ATS model
Delay Model with Presignal overlay/static shield assembly
Polarization Key
Socket female (Qty. 3)
Pin male (Qty. 3)
Socket receptacle 9 pt.
Plug Pin housing 9 pt.
Terminal Block
Emergency Presignal Relay...24VAC.
R/T BOX...
MX100.....
J11..........
TB............
RA6E........
RA6N
908
RA6E
36
36A
25ZA
25B
25ZA
35B
26
26A
SN-2
SE-2
SN-1
SE-1
35B
25B
(1)
(6)
26
J6
SN
SE
SNO
SEO
DS
GND
36
25ZA
25ZZ
CONTROL PANEL
TO MX SERIES
LEGEND
INTERCONNECT PLUG
WIRE IN
TERMINAL BLOCK
WIRE ON
WIRE CONNECTION
A4R
A3R
MX100 DIN RAIL
CUSTOMER CONNECTIONS
OPERATION:
LEGEND:
SCHEMATIC
CONTROL RELAY
ON POWER PANEL
TYPICAL
TYPICAL LIMIT SWITCHES
LIMIT SWITCH SCHEMATIC
ATS Electrical Schematic
CTG(D) Options
A6 T3/W3
Page 33
TYPICAL RELAY/TRANSFORMER BOX SCHEMATIC
GND
903
902
801
901
807
804
803
904
905
906
805
806
(BLANK)
(BLANK)
GROUND
CCE - COIL CONTROL RELAY (EMERGENCY)
CCN - COIL CONTROL RELAY (NORMAL)
COMMON
J5B
24V 10V 11V
XE1
30 31
24V 10V 11V 10V
XN1 XN2
20 21 22
CCN CCE
XN1 -
XN2 -
XE1 -
NORMAL CONTROL TRANSFORMER
NORMAL 3 PHASE SENSING
TRANSFORMER
EMERGENCY CONTROL TRANSFORMER
206 306
1 3
7 9
905 906 805 806
800902 801 901
807
GND
804 803 904 26 36
25ZZ 25ZA
1 9
10 18
1 3
4 6
TYPICAL INTERCONNECT PLUGS
J5B
J8
J6
RELAY/TRANSFORMER
BOX TO POWER PANEL
MX SERIES CONTROL
RELAY/TRANSFORMER BOX TO
MX SERIES CONTROL PANEL
801
SINGLE PHASE EMERGENCY SENSING
3-PHASE NORMAL SENSING
NORMAL CONTROL POWER
EMERGENCY CONTROL POWER
BK/W
BK
BK/W
BK/W
BK
901
BL 800
BL/W 902
G 804
G/W 803
Y 805
Y/W 806
G 804
G/W 807
BL 900
BL/W 902
G 904
G/W 903
Y 905
Y/W 906
209307
26A
J11
1 3
7 9
20 21 22
1514 16
30 31 32
1 4
9 12
J7
RELAY/TRANSFORMER
BOX TO POWER PANEL
WIRE CONNECTION
WIRE ON
TERMINAL BLOCK
WIRE IN
INTERCONNECT PLUG
LEGEND
TYPICAL RELAY/TRANSFORMER BOX
4 2 6
3 1 5
209
801
20 21
800
206
CCN
4 2 6
3 1 5
307
901
30 31
900
306
CCE
XE1
J8
J7
XN1
900
902
904
906
905
903
31 30
800
902
804
806
805
803
21 20
24V 10V 11V 24V 10V 11V
804807
XN2
2122
J5B ON BOTTOM
POWER
PANEL
J7
J8
DIN RAIL
RELAY/
TRANSFORMER
BOX
MX SERIES
CONTROL PANEL
INTERCONNECT PLUG DIAGRAM
PANEL TO POWER PANEL
ATS
TRANSFORMER LEADS
COLOR CODES:
BK
BK/W
BL
G
G/W
Y
-
-
-
-
-
-
BLACK
BLACK/WHITE STRIPE
BLUE
GREEN
GREEN/WHITE STRIPE
YELLOW
J5A
J5B
800
900
EMERGENCY 24V OUTPUT
NORMAL 24V OUTPUT
(18)
(1)
903
900
BL/W - BLUE/WHITE STRIPE
Y/W - YELLOW/WHITE STRIPE
(BLANK)
35B
25B
36A
25ZA
POWER PANEL
TO RELAYS
ON DIN RAIL
J5A PLUG
FOR STANDARD ATS
905 906 805 806
800902 801 901
807
GND
804 803 904
1 9
10 18
J5A
FROM MX100 CONTROL PANEL TO J5B PLUG
ON RELAY/TRANSFORMER BOX AND TO DIN RAIL
903
900
902
908 808
J9
J6
DS
J11
800
900
25A
35A
808A
908A
902
ATS Electrical Schematic
CTG(D) Options
A6 T3/W3
Sheet 2 of 2
Page 34
1 4
85
TSNL
GND
J3
MX 100 CONTROL PANEL
TO CLOCK ON DIN RAIL
CONNECTION DIAGRAM
J9
1 4
129
MALE PLUG
800
902
RELAY/TRANSFORMER FOX
TO CLOCK
LEGEND
Before changing the time setting, turn Disconnect Switch (DS) to "OFF" position;
after desired selection has been made, return DS to "ON" position
The "C" plant exercisor starts the engine (No Load Test) by closing the TSNL circuit.
2. Mount Clock and Transformer to Din Rail on MX100 Control Panel.
J3 Plug-MX100.....
Socket Receptacle 8 pt. Mini
Socket Female Mini (Qty. 2)
OPERATION
NOTES
CAUTION
!
Exercise clock, Weekly program with 20 settings.
Clock 24V, 60 HZ
See SEBU7602 for programming instructions.
J9 Plug-R/T Box.....
Socket Receptacle 12 Pt.
Socket Female .093" (Qty. 2)
M
NO
NC
800
902
J3 PIN 4 (FOR C ASSESSORY)
J3 PIN 8
1 2 3 4 5
ONE CHANNEL CLOCK
7 DAY
COM
J3 PIN 3 (FOR D ACCESSORY)
TSL
1. Total GENERATOR running time = clock ON time + "U" timer ON time (if U is used).
The "D" plant exercisor simulates normal line failure, starts generator and transfers load
to emergency at selected time intervals.
ATS Electrical Schematic
CTG(D) Option
C/D One Channel Clock
Sheet 1 of 1
Page 35
Page 36
Sheet 1 of 1
7 DAY
TWO CHANNEL C/D CLOCK
87654321
J3 PIN 3
J3 PIN 8
J3 PIN 4
902
800
NCNONCNO
M
Din Rail Mounting Base.
Exercise clock, Weekly program with 42 set-point programs
to emergency at the selected time intervals.
D-MODE: The "D" plant execisor simulates normal line failure, starts generator, and transfers load
Socket Female .093" (Qty. 2)
Socket Receptacle 12 Pt.
J9 Plug-R/T Box.....
C/D.....
Clock 24V, 60 Hz
!
Socket Female Mini (Qty. 3)
Socket Receptacle 8 pt. Mini
J3 Plug-MX100.....
2. Mount Clock to Din Rail on MX100 Control Panel.
1. Total GENERATOR running time = "C" ON time + "U" timer ON time (if U is used).
C-MODE: The "C" plant exercisor starts the engine (No Load Test) by closing the TSNL circuit "C2".
after desired selection has been made, return DS to "AUTO" position
Before changing the time setting, turn Disconnect Switch (DS) to "INHIBIT" position;
TO CLOCK
RELAY/TRANSFORMER BOX
902
800
MALE PLUG
9 12
41
TO CLOCK ON DIN RAIL
MX100 CONTROL PANEL
GND
TSNL
TSL
5 8
41
See SEBU7602 for programming instructions.
J9
J3
CONNECTION DIAGRAM
CAUTION
NOTES
OPERATION
LEGEND
ATS Electrical Schematic
CTG(D) Option
C/D Two Channel Clock
NO
21 3 4
M
5
6 7 8
NC
NO NC
800
902
J3 PIN 8
J3 PIN 3
J3 PIN 4
OPERATING INSTRUCTIONS - SEE SEBU7602
1 4
85
TSL
TSNL
GND
J3
MX100 CONTROL PANEL
TO CLOCK ON DIN RAIL
J9
1 4
129
MALE PLUG
800
902
RELAY/TRANSFORMER BOX
TO CLOCK
LEGEND
Before changing the time setting, turn Disconnect Switch (DS) to "INHIBIT" position;
after desired selection has been made, return DS to "AUTO" position
C-MODE: The "C" plant exercisor starts the engine (No Load Test) by closing the TSNL circuit "C2".
1. Total GENERATOR running time = "C" ON time + "U" timer ON time (if U is used).
2. Mount Clock and Transformer to Din Rail on MX100 Control Panel.
J3 Plug-MX100.....
Socket Receptacle 8 pt. Mini
Socket Female Mini (Qty. 3)
OPERATION
NOTES
CAUTION
!
Clock 24V, 60 Hz (No longer available).
C/D.....
J9 Plug-R/T Box.....
Socket Receptacle 12 Pt.
Socket Female .093" (Qty. 2)
D-MODE: The "D" plant execisor simulates normal line failure, starts generator, and transfers load
to emergency at the selected time intervals.
Exercise clock, 365 day program.
Clock 24V, 60 Hz
CONNECTION DIAGRAM
TWO CHANNEL C/D CLOCK
365 DAY
ATS Electrical Schematic
CTG(D) Option
C/D - 365
Sheet 1 of 1
See SEBU7602 for programming instructions.
Page 37
Sheet 1 of 1
3. Mount Transformer and Relay on auxiliary control panel.
575/120 V, 10 VA
277/120 V, 10 VA
Socket Female .093" (Qty. 2)
Socket Receptacle 12 Pt.
J9 Plug-R/T Box.....
J9
TO AUXILIARY CONTROL PANEL
1514
MALE PLUG
RELAY/TRANSFORMER BOX
9 12
41
TO J9 PLUG
TO J9 PLUG
TO J9 PLUG
480 V
TO J9 PLUG
120 V
ENCLOSURE
TH
SYSTEM ONLY)
HTR2 (480 VAC
HTR1
HOLES.
NEUTRAL BAR MOUNTING
MOUNTED 1" BELOW THE
THE HEATER WILL BE
2.
( * ) Use for Fig. A or Fig. B option only.
2
1
L
H
64
53
TH
15B
R
14
15
430C
430D
R
R
HTR1
1.
specified.
Thermostat factory set at 50 F unless otherwise
turns "OFF".
point, heater is turned "ON". Above set point, heater
When temperature in cabinet drops below thermostat set
208/120 V, 10 VA
.....
Relay, DPDT:
240/120 V, 10 VA
480/120 V, 10 VA
Transformer
Strip heater, 150W., 240 V,
Strip heater, 125W., 120V,
Thermostat
Control voltage 120 V (for fig. B option only)
Load voltage from ATS
R............
XT...........
HTR2 .....
HTR1 .....
TH............
430B
430A,
T1, T2.....
2
1
TH
XT
64
53
TH
2
1
XT
64
53
64
53
* Customer provides 120VAC control voltage
2
1
XT
B
430
A
430
R
120V
15B
208V OR 240V
430D
430C
R
HTR1
L
H
TH
R
14A
15A
15
14
14
15
L
H
15B
R
14A
15A
15
14
14
15
430C
430D
R
R
HTR2
L
H
480 V
430E
15B
R
14A
15A
14
15
14
15
430C
430D
R
R
HTR2 HTR2
ATS Electrical Schematic
CTG(D) Option
HT
CABINET MOUNTING
FIG. A (120 VAC SYSTEMS)
THERMOSTAT
NOTES:
LEGEND:LEGEND:
OPERATION:
FIG.C (208 OR 240 VAC SYSTEMS)
FIG.D(480 VAC SYSTEMS)
FIG. B (480 VAC SYSTEMS/120 VAC CONTROL VOLTAGE)
SCHEMATIC
Page 38
12VDCQ2 Relay........
INPUT VOLTAGE
MX100 INPUT
PIN 3PIN 8
J3
J3
Q2
CUSTOMER SUPPLIED
Q2
(J3 PIN 3)
TO TSL
(J3 PIN 8)
TO GND
INPUT VOLTAGE
CUSTOMER SUPPLIED
Q2
J3
TO Q2 RELAY ON DIN RAIL
MX100 CONTROL PANEL
GND
TSL
MALE PLUG
LOCKING TAB
5 8
41
13144
9101112
5678
12
3
Mount Q2 Relay on Din Rail on MX1OO Control Panel.
Socket Female Mini (Qty. 2)
Socket Receptacle 8 pt. Mini
J3 Plug - MX100......
switch will retransfer back to Normal.
Should Emergency fail during this operation, the transfer
the Generator to start and transfer the load to Emergency.
Energize Q2 Relay to simulate a normal line failure causing
Remote Peak Shave or Area Protection Circuit-Q2
SCHEMATICCONNECTION DIAGRAM
LEGEND
INSTRUCTIONS
OPERATION
ATS Electrical Schematic
CTG(D) Option
Q2
Sheet 1 of 1
Page 39
ADD TAG PER
INSTRUCTIONS BELOW
2. Q3 Relay on Din Rail on MX1OO Control Panel.
Emergency. To enable Q3 option engage Q3 jumper.
conversely, no input on Q3 will result in no transfer to
Voltage applied to Q3 input will allow transfer to Emergency,
- Remote Inhibit Transfer to Emergency Circuit.
Q3
24VDC
INPUT VOLTAGE
MX100 INPUT
PIN 6PIN 8
J3
J3
CUSTOMER SUPPLIED
Q3
(J3 PIN 6)
TO Q3
(J3 PIN 8)
TO GND
INPUT VOLTAGE
CUSTOMER SUPPLIED
Q3
J3
TO Q3 RELAY ON DIN RAIL
MX100 CONTROL PANEL
GND
Q3
MALE PLUG
LOCKING TAB
5 8
41
13144
9101112
5678
12
3
Q3 Relay......
1. Add tag marked "TO ENABLE Q3 OPTION ENGAGE Q3 JUMPER".
Socket Female Mini (Qty. 2)
Socket Receptacle 8 pt. Mini
J3 Plug - MX100......
Q3
SCHEMATICCONNECTION DIAGRAM
LEGEND
INSTRUCTIONS
OPERATION
ATS Electrical Schematic
CTG(D) Option
Q3
Sheet 1 of 1
Page 40
NOTES:
PAIR) NOT INCLUDED.
3. NETWORK CABLE TO BE BELDEN 8471, 16WG (UNSHIELDED TWO CONDUCTOR TWISTED
WELL AS MX100 PC BOARD.
CONNECTIONS (NOTE 3)
NETWORK TERMINAL
1
2
PANEL, PC OR PLC VIA ONE PAIR OF TWISTED WIRES.
AVAILABLE SOURCE AND TIMERS RUNNING TO A REMOTE ANNUNCIATOR
NETWORK CARD ALLOWS COMMUNICATION OF ATS POSITION,
2. GROUND YOURSELF AND FOLLOW ESD PRECAUTIONS WHEN HANDLING NETWORK CARD AS
NETWORK CARD.
1. DISCONNECT ALL POWER TO MX100 PC BOARD AND DISCHARGE CAP BEFORE PLUGGING IN
OPERATION
INSTRUCTIONS
COMPONENT LAYOUT
ATS Electrical Schematic
CTG(D) Option
ZNET100
Sheet 1 of 1
Page 41
CONNECTION TO MX100 CONTROL PANEL:
TS MOUNTED ON DOOR OF ENCLOSURE
MX100 CONTROL PANEL
TO TEST SWITCH CONTACT
TSL
GND
1
4
TSLGND
(J3 PIN 8)
(J3 PIN 3)
6A..... Maintained Test Switch
2 Pos. Operator
N.O. Contact Block
Nameplate
When activated in the TEST position, TS will simulate a normal line failure.
The TS will automatically transfer the load to the emergency position.
When the test switch is returned to the AUTOMATIC position, the transfer switch
will restore the load to the normal line position. Should Emergency fail while the ATS
is in the Emergency position, the ATS will transfer back to Normal.
LEGEND:
OPERATION:
J3
TS
J3..... Plug - MX100
Socket Receptacle 8 pt. Mini
Socket Female Mini (Qty. 2)
AUTO TEST
ATS Electrical Schematic
CTG(D) Option
6A
Sheet 1 of 1
Page 42
Page 43
Cabinet Location
Customer Connections
MX100 Controller Layout
Power Panel:
40 to 225 Amps Solenoid
225 to 400 Amps Molded Type
600 to 1200 Amps
1600 to 3000 Amps
40 to 260 Amps
400 Amps
600 to 1200 Amps
1600 to 3000 Amps
Standard
Delayed
Component Locations
Relay/Transformer Box
CTGD
CTG
Page 44
NOTE: You must have the “hand tool” to select these.
Page 46
Page 45
Page 47
Page 48
Page 49
Page 50
Page 51
Page 52
Page 53
Page 54
Page 55
Page 56
Click on the page number to jump to the desired page.
Relay/
Transformer
Box
Customer
Connection
MX100
Microprocessor
Controller
DIN
Rail
Engine
Start
Control
Connection
Cabinet Door Locations
Auto/Inhibit
Select Switch
Page 44
VOLTAGE %
FREQUENCY %
T
I
M
E
R
S
E
N
PICK UP
PICK UP
DRO
P OUT
DRO
P OUT
PICK UP
100
90
98
75
100
85
100
85
98
75
10
15
0
5
0
30
0
20
10
0
5
1
90
95
80
90
95
90
95
80
90
2.5
1
10
5
5
3
DT(SEC)
30
1
5
U(MIN)
P(SEC)
W(SE
C)
T(MIN)
10
PICK UP
100
90
95
DW(SE
C)
30
1
5
10
MX100
EME
RGENCY
P
OSITION
EME
RGENCY
A
VAI
L
A
BLE
P
RE
SIGNA
L
TIME
DEL
AY
TO EME
RGENCY
NO
RMAL
P
OSITION
NO
RMAL
A
VAI
L
A
BLE
P
RE
SIGNA
L
TIME
DEL
AY
TO NO
RMAL
DEL
A
Y
ENGINE STOP
DEL
A
Y T
O
EM
ERG
E
NCY
NORM
A
L
TE
ST
C/D
-T
E
XE
RCISER
BYP
A
S
S DELAY TO
PRES
I
GNAL
ON
Outside
Adjustments
Display
Inside
MX100
Page 45
E11
E12
E13
CUSTOMER CONNECTIONS
E11
E12
E13
TYPICAL ENGINE START
CONNECTION E11-E12
(5 AMP MAX)
Customer Connection
Page 46
SCN/SCE
CN/
CE
SCN/SCE
BR
A4
A3
Ta g Description
CN/CE Solenoid
SCN/SCE Coil Cutout Switch
SCN/SCE Coil Cutout Switch
BR Rectifier
A3/A4 Auxiliary Contacts
Power Panel - 40 to 225 Amps Solenoid Type
Page 47
CN-P
CN/
CE
E1 E2 E3 EN
N1 N2 N3 NN
T1 T2 T3 TN
BR
SCN/A4
SCE/A3
T a g Description
N 1,2,3 N
E 1,2,3 N
T 1,2,3 N
Cable Connection Lug
CN/CE Solenoid
CN-P Solenoid Plunger and Link
SCN/SCE Coil Cutout Switches
A3/A4 Auxiliary Contacts
BR Rectifier
Power Panel - 225 to 400 Amps Molded Type
Page 48
DS
A3 SE
A4
SN
CN
CE
A3
A4
MOVABLE CONTACT
ARC GRID
STATIONARY CONTACT
(ARC GRID REMOVED FOR CLARITY)
N3
E3
N2
E2
N1
E1
NN
EN
Tag
Description
Cable Connection Lug
N 1,2,3, N
E 1,2,3, N
T 1,2,3, N
Stationary Contact Assembly Kit
Arc Grid Assembly Kit
Movable Contact Assembly Kit
CN/CE
Coil Volts Poles
120 2
2
3
240
4
208 3,4
575/600
3
3
4
480
4
Main Operating Coils
416 3
SN CCN Cutout Switch
SE CCE Cutout Switch
A3 Emergency Position Auxiliary Contact
A4 Normal Position Auxiliary Contact
DS Disconnect Switch
Power Panel - 600 to 1200 Amps
Page 49
N 1,2,3
E 1,2,3
T 1,2,3
CN
CE
DS
RN
RE
A3 SE
A4
SN
E3
N3
E2
N2
E1
N1
EN
NN
ARC GRID ASSEMBLY
MOVABLE CONTACT
STATIONARY CONTACT
(ARC GRID REMOVED FOR CLARITY)
DS
A4
A3
SE
Cable Connection Lug
Main Operating Coils
SN CCN Cutout Switch
Normal Position Emergency Contact
Rectifier
Disconnect Switch
Emergency Position Auxiliary Contact
CN/CE
RN, RE
Coil Volts
3
4
3
4
3
4
3
2
416
480
575/600
208
240
120
Poles
2,3
4
Description
Ta g
CCE Cutout Switch
Power Panel - 1600 to 3000 Amps
Page 50
STATIONARY
CONTACT
MOVABLE
CONTACT
E1
T1
N1
E2
T2
N2
E3
T3
N3
EN
TN
NN
ARC
GRID
A4SN
CN/CE
A3SE
DS
CA
CA
Delayed Transition - 40 to 260 Amps
Tag Description
Cable Connection Lug
N 1,2,3, N
E 1,2,3, N
T 1,2,3, N
Wire Size
Stationary Contact Assembly Kit
Stationary Load Contact Assembly Kit
Arc Grid Assembly Kit
Movable Contact Assembly Kit
CN/CE, CA Linear Actuator and Capacitors CA (See Note)
Coil Volts Poles Quantity mf
120 2 1 340-408
2
240
3
1 108-130
208 3 1 145-174
4 1 145-174
575/600 3 2S 36-43
4 2S 36-43
480 3 2S 72-86
4 2S 72-86
Note: 2S denotes two capacitors
wired in series
416 3 2S 72-86
SN CN1 Cut-out Switch
SE CE1 Cut-out Switch
A3 Emergency Position Auxiliary Contact
A4 Normal Position Auxiliary Contact
DS Disconnect Switch (older versions)
Page 51
CN/O
CE/O
DS
T3
T2
T1
N3
N2N1
SCE
SCEO
STATIONARY
CONTACT
MOVABLE
CONTACT
SCN
SCNO
ARC GRID
E1 E2 E3
Tag
NL 1,2,3
EL 1,2,3
T 1,2,3
NLN,ELN,TN
ELN
240/41 6
277/480
480
120/208
240 3
3,4
3
3,4
3
Cable Connection Lug, CU Wire
Movable and Stationary
Contact Assembly
(For 3P Units)
Arc GridAssembly Kit
Description
NL 1,2,3
NLN
EL 1,2,3
CN/CNO
CE/CEO
DS
SE/SEO
SN/SNO
SCE/SCE
SCN/SCNO
RTN/R TE
Main Operator Solenoids
Disconnect S witch
Normal Position Contact
Emergency Position Contact
Sol Limit Switch
Coil Rectifier
Voltage System
Volts
Pole
Ph Coil VDCWire
3
3
3
3
3
3
4
4
4
3
480
416
480
208
240
Delayed Transition - 400 Amps
Sol Limit Switch
Page 52
Tag Description
N L 1,2,3
E L 1,2,3
T L 1,2,3
N N , E N , T N
Cable C onnection L ug, CU W ire
S tationary Contact A ssembly K it
Arc G rid A s s em bly K it
M ovable Contact A s sembly K it
M ovable Contact
R N /R N O
R E /R E O
Coil R ectifier
S N/S N O Lim it S witch
S E/S E O Limit S witch
A3 E mergency Pos ition A ux iliary Contact
A4 N orm al P os ition Auxiliary Contact
DS Dis connect S witch
CN /CN O
CE /CE O
M ain Operator S olenoids
V oltage S ys tem
V olts Ph W ire Coil V DC Pole
240 3 3 240 3
120/208 3 4 208 3,4
480 3 3 480 3
277/480 3 4 480 3,4
240/416 3 4 416 3
Delayed Transition - 600 to 1200 Amps
Page 53
STATIONARY
CONTACT
MOVABLE
CONTACT
CE/
CEO
CN/
CNO
ARC GRID
ASSEMBLY
RN
RNO
REO
RE
N3
N2
N1
E1
E2
E3
NN
EN
Tag Description
N 1,2,3
E 1,2,3
T 1,2,3
NLN,ELN
Cable Connection Lug, CU Wire
CN/CNO
CE/CEO
Main Operator Solenoids
Voltage System
Volts Ph Wire Coil VDC Pole
120 1 2 120 2
120/240 1 3 240 2,3
240 3 3 240 3
120/208 3 4 208 3,4
480 3 3 480 3
575 3 3 575/600 3
277/480 3 4 480 3,4
120/240 2 4 240 4
240/416 3 4 416 3
SN/SNO-1,2 Switch Bracket Assembly
SE/SEO-1,2 Switch Bracket Assembly
SN/SNO-3,4 Switch Bracket Assembly
SE/SEO-3,4 Switch Bracket Assembly
Delayed Transition - 1600 to 3000 Amps
Page 54
(J8) (J7)
(J5)
(J10) (J9)
SEC.
PRI.
SEC.
PRI.
SEC.
PRI.
2
1
3
Relay Transformer Box - Standard
Page 55
Item P Description
1
2
3
Transformer
Transformer
Relay
Molded
Other
1VA
25 VA
Flange
Mount
1VA
25 VA
24 V
Coil
SEC.
PRI.
SEC.
PRI.
SEC.
PRI.
2
1
3
(J8) (J7)
(J5)
(J10) (J9)
Relay Transformer Box - Delayed
Page 56
I te m P D e s c r i pt i o n
1
2
3
Transformer (25 VA)
Transformer (1VA)
Relay (24V)
Options
Standard Features
A
3
Auxiliary Contact: Closed when the switch
is in the emergency position
A4
Auxiliary Contact: Closed when the switch
is in the normal position
CDT
7 day timed exercise (
CDT
memory backup battery
included), pushbutton/timer operation
E
Engine Start Contact
L
Indicating
LED
Pilot Lights:
L1
Indicates switch in emergency position
L2
Indicates switch in normal position
L3
Indicates normal source available
L4
Indicates emergency source available
P1
Time Delay to Engine Start: Standard setting
3 seconds, adjustable 0-10 seconds
R50
In-Phase Monitor, self-adjusting
(not included on
ZTGD
models)
T
Time Delay on Retransfer to Normal: To delay
retransfer to normal source (immediate retransfer on
generator set failure); standard setting 30 minutes,
adjustable 0-30 minutes
U
Time Delay for Engine Cool Down: Allows engine
to run unloaded after switch retransfer to normal;
standard setting 5 minutes, adjustable 0-5 minutes
W
Time Delay on Transfer to Emergency: To delay
transfer to emergency after verifying emergency
source available; standard setting 1 second,
adjustable 0-15 seconds
YEN
Pushbutton Bypass of
T
&
W
Timers
A6
Motor Load Disconnect Circuit: 1 N.C. operates
during transfer; adjustable (not available on
ZTGD
models or models with R50); includes timing
indicator lamp; adjustable 1-30 seconds
C
Plant Exerciser (no load): Automatically starts the
generator to run unloaded at selected intervals
(7 day clock operation)
C/D
Plant Exerciser (load/no load): Allows the generator
to start and run unloaded or to simulate a power
failure, start generator and run under load (7 day
clock operation)
C/D-365
Plant Exerciser: Same as C/D with 365 day
programming options
HT
Heater and Thermostat
Q2
Peak Shave/Remote Load Test: Input for peak shave
or remote load test; includes automatic return to
normal if emergency source fails and normal is
present; 120 VAC or 24 VDC
Q3
Inhibit Transfer to Emergency: Input circuit to inhibit
transfer to emergency; 120 VAC or 24 VDC
T3/W3
Transfer Presignal: 1 N.O. operates during transfer;
adjustable (not available on ZTDG models or models
with R50); includes timing indicator lamp; adjustable
1-30 seconds
ZNET
Network communications interface card
6A
Maintained Test Switch: Maintained
Auto-Maintained Test
When specified for use with a C
TGD
Series delayed transition
switch, the control panel also includes the following:
DT
Time Delay from Neutral Switch Position to Normal
on Retransfer: Standard setting 5 seconds, adjustable
1-30 seconds
DW
Time Delay from Neutral Switch Position to Emergency:
Standard setting 5 seconds, adjustable 1-30 seconds
LN/LD
Center-Off position/Off Delay Timing
indicating lights
D
Plant Exerciser (load): Automatically starts the
generator and transfers the load at selected
intervals (7 day clock operation)
Standard Features and Options
Page 57
Helpful Shortcuts for Viewing Schematics in
Adobe Acrobat
Key Stroke Function
H Hand Tool
Z Zoom Tool
Ctrl and L Full Screen Viewing Mode¹
Ctrl and 0 (zero) Fit in Window
Ctrl and + (plus) Zoom In
Ctrl and - (minus) Zoom Out
Ctrl and F Find
Ctrl and G Find Again
¹ Press Esc to return to normal viewing mode.
When you view a PDF document in a Web browser, all of the Acrobat Reader
tools are available in the browser. In Windows, you can click the two small
vertical lines (next to the Adobe icon at the left of the tool bar) to minimize or
maximize the tool bar.
Note: Many keyboard commands are mapped to the Web browser rather than to
Acrobat, so some Acrobat keyboard shortcuts may not be available in the
browser window.
Page 58
T i gh t en in g T o r qu e f o r L u gs
S ocket S ize
Acros s Flats
Torque
Lb. - In. Lb. - Ft.
451/8 4
10 05/32 8
1203/16 10
150
7/32 12
2001/4 17
2755/16 23
3753/8 31
5001/2 42
6009/16 50
N OT E : A ll c o n t ro l w ire s (1 8 -1 2 A W G ) m u s t be
to r qu e d t o 19 i n/l bs .
Page
59
©2002 Caterpillar
All Rights Reserved
Printed in U.S.A.