Replacing A Circuit Breaker - Huawei TP48200A-HX09A2 User Manual

TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual
Step 3 Install the new AC SPD, as shown in
Figure 4-8 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.

4.4.5 Replacing a Circuit Breaker

Prerequisites
Before replacing an AC circuit breaker, switch off the upstream input circuit breaker.
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Procedure
Step 1 Switch off the circuit breaker that is to be replaced.
Step 2 Record the positions where the output cable and signal cable terminals connect to the circuit
breaker.
Step 3 Loosen the screw that secures the upper port of the circuit breaker using a Phillips screwdriver,
and remove the output power cable and signal cable terminals. Wrap the cable and terminals
using insulation tape.
Issue 02 (2019-02-26)
The cabinet door key, insulation tape, and required tools are available.
The new circuit breaker is intact and has the same specifications as the circuit breaker to
be replaced.
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Figure 4-8.
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