GE Industrial Solutions Spectra Series Power Panelboards AMC6JK, AMC4JK, ACM3JK and AMC2JK - Manual (Page 2)

4. Install the circuit breaker on the module.
a. For main devices (lugs only on ON side of circuit
breaker). Place the OFF side of the circuit breaker
over the stud posts, as shown in Figure 4, with the
formed barriers on the module underneath the
breaker. Secure the breaker to the module with
round-head screws and lock washers tightened to
35–50 in.-lb. and to the stud posts with nut-washer
assemblies tightened to 80–110 in-lb.
Figure 4. Installing a main breaker.
b. For center-mounted branch circuit breakers (lugs on
OFF side of breaker). Place the ON side of the circuit
breaker over the stud posts, as shown in Figure 5,
with the formed barriers on the module underneath
the breaker. Secure the breaker to the module with
round-head screws and lock washers tightened to 35–
50 in.-lb. and to the stud posts with nut-washer
assemblies tightened to 80–110 in-lb.
Figure 5. Installing a center-mounted branch breaker.
c. For double-mounted branch circuit breakers. Place
the ON side of each circuit breaker over the stud
posts, as shown in Figure 6, with the formed barriers
on the module to the outside of the breakers. Secure
the load ends with round-head screws and lock
washers tightened to 35–50 in.-lb. Place the straps
across the line terminals of opposing breakers and
secure with nut-washer assemblies tightened to 80–
110 in-lb.
Combinations of TJK, TJD, TJJ, and THJK breakers
may be used and combinations of TJ4V, THJ4V, and
TJL4V breakers may be used.
Figure 6. Installing a double-mounted branch breaker.
d. For one circuit breaker mounted on a double-branch
module. Place the ON side of the circuit breaker over
the stud posts, as shown in Figure 7, with the formed
barriers on the module to the outside of the breaker.
Secure the load end with round-head screws and lock
washers tightened to 35–50 in.-lb. Place one spacer
over each of the unused stud posts. Place one strap
across each breaker line terminal and the opposite
spacer and secure with nut-washer assemblies
tightened to 80–110 in-lb.
Figure 7. Installing one breaker on a double-branch module.
Round-Head
Screw & Lock
Washer
Nut-Washer
Assembly
Barrier
Barrier
Stud
Post
Round-Head
Screw & Lock
Washer
Nut-Washer
Assembly
Barrier
Barrier
Stud
Post
Round-Head
Screw & Lock
Washer
Stud
Post
Strap
Strap Nut-Washer
Assembly
Round-Head
Screw & Lock
Washer
Stud
Post
Strap
Strap Nut-Washer
Assembly
Barrier
Barrier