Appendix A: Accessories
Page A–21
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
mulTiple aC drives
Individual line reactors are recommended when installing multiple GS4 drives on the same power
line. Individual line reactors eliminate cross-talk between multiple GS4 drives and provide
isolated protection for each GS4 drive for its own specific load.
GS4 Drive
C1
T1
T2
T3
A2
B2
C2
A1 L1
B1
L2
L3
GS4 Drive
C1
T1
T2
T3
A2
B2
C2
A1 L1
B1
L2
L3
Reactor
Incoming power
and external
circuit protection
provided by
customer
Reactor
Incoming power
and external
circuit protection
provided by
customer
Please refer to "Chapter 2: Installation and Wiring" for detailed wiring information for the GS4 drive.
mulTiple moTors
A single output (load) reactor can be used with multiple motors on the same GS4 drive, but only
if the motors operate simultaneously. Size the reactor based upon the total horsepower of all
the motors, and select a reactor with a current rating greater than the sum of the motor full-load
currents. Overload relays are required for use in multi-motor applications.
GS4 Drive
Reactor
OL1
OL2
C1
A2
B2
C2
A1T1
B1
T2
T3
Please refer to "Chapter 2: Installation and Wiring" for detailed wiring information for the GS4 drive.
A single reactor should be used with multiple motors ONLY when the motors will operate
simultaneously from a single AC drive. OVERLOAD RELAYS are required for use in multiple motor
applications.
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