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Vertiv™ NetSure™ 7100 Series -48 VDC Power System Installation Manual
Installing Bullet Nose Type Circuit Breakers
CAUTION! A 100 A circuit breaker or fuse SHALL HAVE an empty mounting position between it and any other overcurrent
protective device. 100 A circuit breakers can be used without a space provided the continuous current in each 100 A device
does not exceed 64 A. A 175 A or greater circuit breaker SHALL HAVE an empty mounting position between it and any other
overcurrent protective device.
Refer to SAG582127000 for any other restrictions.
Refer to the following procedure and install appropriately sized bullet nose type circuit breakers into the proper mounting positions in
the distribution cabinet.
Procedure
NOTE!
Refer to Figure 3.11 as this procedure is performed.
1.
Open the distribution cabinet's front door by turning the latch in the counterclockwise position.
2.
Ensure that the circuit breaker is in the OFF position and is of the correct rating. Orient the circuit breaker as shown in
Figure 3.11. 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 spring strip. Push
distribution device in firmly until fully seated in the distribution panel.
3.
Record all circuit breaker sizes on the label provided on the shield.
4.
Close the distribution cabinet's front door. Turn the latch clockwise to secure the door.
Figure 3.11 Installing a Bullet Nose Type Circuit Breaker
Lettering on
handle must be
right side up.
Turn off
before installing.
14
Shorter Side
to the To p
Longer Side
to the Bottom
Proprietary and Confidential © 2022 Vertiv Group Corp.
Insert these terminals
into corresponding sockets
on distribution panel.
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