GE Industrial Solutions Spectra Series Power Panelboards AMC6JK, AMC4JK, ACM3JK and AMC2JK - Manual

g
Spectra Series™ Power Panelboards
Circuit Breakers and Modules
WARNING: Danger of electrical shock or injury.
Turn OFF power ahead of the panelboard or
switchboard before working inside the
equipment or removing any component . Do
not remove circuit protective devices or any
other component until the power is turned
OFF.
General
These instructions apply to the following catalog numbers:
• Circuit breaker modules AMC6JK, AMC4JK, ACM3JK
and AMC2JK
• Circuit breaker frames TJK, TJD, TJJ, THJK, TJ4V,
THJ4V, and, TJL4V.
Installation
1. Phase balancing for two-pole devices in three-phase
systems. To balance the panelboard load, remove the
screws on the appropriate bus clip, reposition the bus
clip as shown in Figure 1, then install and tighten the
screws to 27–32 in-lb.
Figure 1. Repositioning the bus clip to balance the load.
2. Prepare the breaker module. Loosen the latch lock
screws and fully retract the rail latches. Line up the
guide fingers on both ends of the module with the
notches in the panelboard interior rails, as shown in
Figure 2.
Figure 2. Preparing the circuit breaker module for installation.
3. Install the module. Latch one side of the circuit
breaker module. Release the rail latch. Pivot the
module onto the bus bars and engage the second
latch. Release the rail latch. Tighten the rail latch
screws to 25 in-lb as shown in Figure 3.
Figure 3. Installing the circuit breaker module.
GEH5624 Installation Instructions R03
A & C Phase
As Received
A & B Phase
B & C Phase
Latch
Screw
Rail
Latch
Latch
Screw