TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual
4 Maintenance
Issue 02 (2019-02-26)
Copyright © Huawei Technologies Co., Ltd.
59
Step 4
Loosen the screw that secures the lower port of the circuit breaker using a Phillips screwdriver,
and open the buckle at the base of the circuit breaker using an insulated flat-head screwdriver.
Step 5
Remove the circuit breaker from the guide rail.
shows how to remove the circuit
breaker.
Figure 4-9
Removing the circuit breaker
Step 6
Switch off the new circuit breaker. Press the buckle at the circuit breaker base using an
insulated flat-head screwdriver and install the new circuit breaker. Then remove the
screwdriver so that the buckle secures the circuit breaker to the guide rail.
Step 7
Tighten the screw that secures the lower port of the circuit breaker.
Step 8
Remove the insulation tape from the output power cable and signal cable terminals. Then
connect the output power cable and signal cable terminals to the upper port of the circuit
breaker and tighten the screw.
Step 9
Switch on the circuit breaker.
shows how to install the new circuit breaker.
Figure 4-10
Installing the new circuit breaker
----End
Follow-up Procedure
Check that the load fuse blown alarm has disappeared.
