GE Industrial Solutions Spectra Series Power Panelboards AMC3KM and AMC2KM - Manual (Page 2)

Figure 3. Installing the circuit breaker module.
4. Install the circuit breaker on the module.
a. TKM and THKM circuit breakers used as main
devices (lugs only on the ON side of the breaker).
Place the OFF side of the circuit breaker over the
stud posts, as shown in Figure 4. Fasten the breaker
to the module with the round-head screws, small
lock washers, and flat washers provided. Place the
contact blocks on the stud posts. Place spacer sleeves
onto the contact blocks and secure each with a hex
nut, small flat washer, and large lock washer. Secure
the straps to the contact blocks with hex-head bolts,
large flat washers, and large lock washers, as shown
in Figure 5. Tighten the screws to 35–50 in-lb and
the nuts and bolts to 200–250 in-lb.
Secure the barrier to the module base in front of
these connections with #10 self-tapping screws, as
shown in Figure 8. Tighten the screws to 25 in-lb.
b. TKL4V and TK4V circuit breakers used as main
devices (lugs only on the ON side of the breaker).
Place the OFF side of the circuit breaker over the
stud posts, as shown in Figure 4. Fasten the breaker
to the module with the round-head screws, small
lock washers, and flat washers provided. Place the
contact blocks on the stud posts and secure with hex
nuts, small flat washers, and large lock washers.
Secure the straps to the contact blocks with hex-
head bolts, large flat washers, and large lock
washers, as shown in Figure 6. Tighten the screws to
35–50 in-lb and the nuts and bolts to 200–250 in-lb.
Secure the barrier to the module base in front of
these connections with #10 self-tapping screws, as
shown in Figure 8. Tighten the screws to 25 in-lb.
Figure 4. Attaching the circuit breaker to the module.
Figure 5. Securing the contact block to the studs and straps.
Hex Nut
Large Lock
Washer
Small Flat
Washer
Stud
Post
Spacer
Sleeve
Large Flat
Washer
Hex-Head
Bolt
Large Lock
Washer
Round-Head
Screw &
Washers
Contact
Block
Latch
Screw