TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Copyright © Huawei Technologies Co., Ltd.
Figure 7-25 Installing the new circuit breaker
----End
7.6 Replacing a Fuse
Prerequisites
You have obtained the cabinet door key and tool kit.
The new fuse is intact and it is the same model as the old fuse.
Context
Replacing an intact fuse will disconnect the power supply to loads. Obtain the customer's
consent before replacement.
If the fuse is in the battery route, change the system output voltage to the same as the
battery voltage.
Fuses are hot-swappable. You do not need to disconnect the AC input to the power system.
Procedure
Step 1 Loosen the bolts that secure the fuse, as shown in Figure 7-26.
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