Accessories
3.9 Accessories for locking and interlocking
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
119
3.9.4.2 Door interlock for guide frame
Article No.
Door interlock for withdrawable Circuit Breaker
Check the contents of the packaging
Preparatory work
• Open the Circuit Breaker and discharge the stored energy spring.
• Disconnect auxiliary circuits .
• Rack the withdrawable Circuit Breaker to the maintenance position and remove it from the
guide frame.
See chapter Preparation for maintenance work (Page 178)
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