Accessories
4.8 Accessories for protection against unauthorized operation
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
305
Locking provision for safety locks
Locking provision to prevent unauthorized closing - Safe Open
Locking provision for local electric close
Key operation for local mechanical close
Locking provision to prevent racking of the withdrawable circuit breaker in the disconnected position
Locking provision to prevent unauthorized closing of the withdrawable circuit breaker
Locking provision for racking handle
Lockable and sealable cover for the electronic trip unit
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