Replacing A Circuit Breaker - Huawei Telecom Power TP48200A-HX09A3 User Manual

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual
Step 3 Install the new AC SPD module, as shown in Figure 4-8.
Figure 4-8 Replacing an AC SPD module
Step 4 Disconnect the ground cable of the ESD wrist strap, and remove the ESD wrist strap and ESD
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 04 (2019-11-15)
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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