Product Manual
3. Installation 3-2016
30 A046S594 (Issue 12)Copyright © 2016 Cummins Inc.
TABLE 2. SCREW TYPE TERMINALS AND TORQUE VALUES FOR EXTERNAL POWER GENERATION ON
NON-SERVICE ENTRANCE TRANSFER SWITCHES
Switch
Size
(Amps)
Terminal Description
Utility, Generator, and Load
Terminals
Neutral Bar Terminals Ground Terminals
Cables
per
Pole
Range of
Wire
Sizes
Tightening
Torque
No. of
Cables
Range of
Wire
Sizes
Tightening
Torque
No. of
Cables
Range of
Wire
Sizes
Tightening
Torque
100 Amp 1
#14 to 2/0
AWG
120 in-lb
(14 Nm)
3
#14 to 2/0
AWG
120 in-lb
(14 Nm)
2
#14 to 1/0
AWG
120 in-lb
(14 Nm)
200 Amp 1
#6 AWG
to 300
MCM
275 in-lb
(31 Nm)
3
#6 AWG
to 300
MCM
275 in-lb
(31 Nm)
2
#14 to 1/0
AWG
120 in-lb
(14 Nm)
400 Amp 1
3/0 AWG
to 600
MCM
275 in-lb
(31 Nm)
3
#3/0 AWG
to 600
MCM
275 in-lb
(31 Nm)
3
#6 to 3/0
AWG
120 in-lb
(14 Nm)
TABLE 3. SCREW TYPE TERMINALS AND TORQUE VALUES FOR SERVICE ENTRANCE MODEL POWER
CONNECTIONS (UTILITY CIRCUIT BREAKER AND GENERATOR AND LOAD TERMINALS)
Switch Size
(Amps)
Terminal Description
Utility Circuit Breaker Generator and Load Terminals
Cables per
Pole
Range of Wire
Size
Tightening
Torque
Cables per
Pole
Range of Wire
Sizes
Tightening
Torque
100 Amp 1
#4 AWG to 300
MCM
250 in-lb (28
Nm)
1
#14 to 2/0
AWG
120 in-lb (14
Nm)
200 Amp 1
#4 AWG to 300
MCM
250 in-lb (28
Nm)
1
#6 AWG to 300
MCM
275 in-lb (31
Nm)
400 Amp 2
2/0 AWG to
250 MCM
275 in-lb (31
Nm)
1
3/0 AWG to
600 MCM
275 in-lb (31
Nm)
TABLE 4. SCREW TYPE TERMINALS AND TORQUE VALUES FOR SERVICE ENTRANCE MODEL POWER
CONNECTIONS (NEUTRAL TERMINALS, GENERATOR NEUTRAL TERMINALS, AND GROUND TERMINALS)
Switch
Size
(Amps)
Terminal Description
Neutral Terminals Generator Neutral Terminals Ground Terminals
No. of
Cables
Range of
Wire
Sizes
Tightening
Torque
No. of
Cables
Range of
Wire
Sizes
Tightening
Torque
No. of
Cables
Range of
Wire
Sizes
Tightening
Torque
100 Amp 3
#14 to 2/0
AWG
120 in-lb
(14 Nm)
1
#14 to 2/0
AWG
120 in-lb
(14 Nm)
4
#14 to 1/0
AWG
120 in-lb
(14 Nm)
200 Amp 3
#14 to 2/0
AWG
120 in-lb
(14 Nm)
1
#14 to 2/0
AWG
120 in-lb
(14 Nm)
4
#14 to 1/0
AWG
120 in-lb
(14 Nm)