TP48200A-DX12A1 Telecom Power
User Manual
4 Maintenance
Issue 07 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
43
Figure 4-3
Removing the circuit breaker
Step 7
Switch off the new circuit breaker. Press the buckle at the circuit breaker base by using an
insulated flat-head screwdriver and install the new circuit breaker. Then loosen the buckle and
secure the circuit breaker to the guide rail.
Step 8
Tighten the screw that secures the lower port of the circuit breaker.
Step 9
Remove the insulation tapes from the output cables. Then connect the output cables to the
circuit breaker ports and tighten the screws.
Step 10
Switch the circuit breaker to ON, as shown in Figure 4-4.
Figure 4-4
Installing a circuit breaker
Step 11
Reinstall the cover and tighten the screws.
----End
4.4.3 Replacing a Plug-in Circuit Breaker
Prerequisites
You have obtained the cabinet door key and tools.
The new circuit breaker is intact.