GE Industrial Solutions H2007001 G21 Series - Manual (Page 43)

Infinity D Power System Installation Guide: -48V Plants H2007001
Issue 2.0, June 3, 2009 43
Step Action
11.
Torque all fasteners to 65 in lbs (7 Nm) using an insulated extension at least 5 inches long.
Two-Pole and Three-Pole Breakers:
12. Secure Two-Pole and Three-Pole Circuit Breaker and Lug Landing Assemblies in the same
fashion.
13.
Mark the label to the left of the circuit breaker according to standard practice in your network.
14.
Feed a wire pair from the top of the bay down to the desired location.
15. Locate and dress the pair to tie bars in the right back corner of the DC wiring area.
16. Terminate the send using a suitable lug with 5/16 inch holes on 1 inch centers using hardware
provided.
17.
Torque the send lug nuts to 130 in·lbs (15 Nm) using a ½ inch socket.
18.
Terminate the Return using a suitable lug with 1/4 inch holes on 5/8 inch centers using hardware
provided.
19. Torque the Return lug nuts to 65 in·lbs (7 Nm).
20. Returns for 4/0 cable should be terminated to the CO Ground bar in the Battery Termination
Module.