Huawei ETP48400-C9A2 User Manual page 81

ETP48400-C9A2 Embedded Power
User Manual
Step 5 Loosen the screw that secures the lower port of the circuit breaker by using a Phillips
screwdriver, and open the buckle at the base of the circuit breaker using an insulated flat-head
screwdriver.
Step 6 Remove the circuit breaker from the guide rail.
the circuit breaker.
Figure 7-8 Removing the circuit breaker
Step 7 Switch off the new circuit breaker. Press the buckle at the base of the circuit breaker 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 8 Tighten the screw that secures the lower port of the circuit breaker.
Step 9 Remove the insulation tape from the output power cable and signal cable terminals. Then
connect the power cable and signal cable terminals to the upper port of the circuit breaker and
tighten the screw.
Step 10 Switch on the circuit breaker.
breaker.
Figure 7-9 Installing the new circuit breaker
Step 11 Reinstall the cover of the circuit breaker and tighten the screws.
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Issue 05 (2020-04-07)
Figure 7-9
Copyright © Huawei Technologies Co., Ltd.
Figure 7-8 shows the procedure for removing
shows the procedure for installing the new circuit
7 Maintenance
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