2
Step 3: Mounting the Interlock
1.
Place the interlock on the front side of the dead front,
over the mounting holes drilled in Step 2.
2.
Mount the interlock using the screws, washers, lock
washers and nuts provided in the kit (see Figure 3).
Tighten to 45 lbs-in (5 N-m).
3.
Make sure both the 4-pole main and the 2-pole back-
fed main breakers are in the
OFF
position before
installing the dead front.
4.
Apply critical load stickers next to appropriate branch
breakers for generator loads.
Figure 3: Interlock Installation
Interlock Operation
To energize the panel from Generator Power:
1.
Turn
OFF
the 4-pole main breaker
2.
Turn
OFF
all the branch circuit breakers
3.
Move the sliding plate on the interlock towards branch
breakers using the tabs provided
4.
Turn
ON
the 2-pole back-fed main breaker
5.
Turn
ON
the branch circuit breakers supplying critical
circuits
To energize the panel from Utility Power:
1.
Turn
OFF
the 2-pole back-fed main breaker
2.
Turn
OFF
all branch circuit breakers
3.
Move the sliding plate on the interlock towards branch
breakers using the tabs provided
4.
Turn
ON
the 4-pole main breaker
5.
Turn
ON
the branch circuit breakers
General Electric Company
41 Woodford Ave., Plainville, CT 06062
DEH41152 R03 © 2012 General Electric Company
These instructions do not cover all details or variations in equipment nor do they provide for every possible contingency that may be met in
connection with installation, operation, or maintenance. Should further information be desired or should particular problems arise that are not
covered sufficiently for the purchaser’s purposes, the matter should be referred to the GE Company.
GE Energy
Screws
Nut
Washer and
Lock washer
Interlock
Dead
front
