Huawei Telecom Power TP48200A-DT19C2 - Replacing a Circuit Breaker

TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1 and TP48200A-HT19C2 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
65
Do not replace an AC SPD during a thunderstorm.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Push down on the faulty AC SPD and pull it out, as shown in Figure 4-5.
Step 3 Install the new AC SPD, as shown in Figure 4-5.
Figure 4-5 Replacing an AC SPD
Step 4 Disconnect the ground cable for the ESD wrist strap, and remove the ESD wrist strap and
gloves.
----End
Follow-up Procedure
Check that the alarm for the AC SPD is cleared.
4.4.4 Replacing a Circuit Breaker
Prerequisites
Before replacing an AC circuit breaker, switch off the upstream input circuit breaker.
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The cabinet door key, insulation tape, and required tools are available.