Inspection and maintenance
5.5 Preparing for maintenance work
3WA1 air circuit breaker
400 Equipment Manual, 02/2023, 92310000002-06
5.5 Preparing for maintenance work
Note
Observe the instructions in Chapter Safety regulations (Page
389).
1. Open the control cabinet door.
Follow the instructions in the operating instructions for the relevant interlock to
bypass an optionally installed interlock.
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