UM581127000 User Instructions
Issue AB, March 22, 2012 Spec. No. 581127000 (Model 710NPBA)
Page 22 Chapter 4. Troubleshooting and Repair
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Replacing a Bullet Nose Circuit Breaker
Procedure
Note: Refer to Figure 4-3 as this procedure is performed.
1) Open the distribution ca binet’s front door by turning the latch in the
counterclockwise position.
2) Operate the defecti ve circuit breaker to the OFF position.
3) Gently rock the defecti ve circuit breaker up and down while pulling firmly outward
until the breaker is free from the distribution panel.
4) Ensure that the c ircuit breaker is in the OFF position, and is of the correct rating.
5) Orient the circuit break er as shown in Figure 4-3. Insert the terminals on the rear
of the circuit breaker into their corresponding sockets on the distribution panel.
Ensure the alarm contact on the back of the circuit breaker makes contact with
the alarm terminal on the mounting circuit card. Push distribution device in firmly
until fully seated in the distribution panel.
6) Operate the replacem ent circuit breaker to the ON position.
7) Verify no Circuit Break er Alarms are active.
8) Close the distribut ion cabinet’s front door. Turn the latch clockwise to secure the
door.
Figure 4-3
Replacing a Bullet Nose Circuit Breaker
Insert these terminals
into corresponding sockets
on distribution panel.
Longer Side
to the Bottom
Shorter Side
to the Top
Lettering on
handle must be
right side up.
Turno ff
before installing.