Siemens SENTRON 3WA1 - Page 308

Accessories
4.8 Accessories for protection against unauthorized operation
3WA1 air circuit breaker
306 Equipment Manual, 02/2023, 92310000002-06
Locking provisions
(1)
Locking provision to prevent racking of the withdrawable circuit breaker in the disconnected position
(2)
Locking provision to prevent racking of the withdrawable circuit breaker when the control cabinet door is open
(3)
Locking provision to prevent opening of the control cabinet door when the circuit breaker is closed
(4)
Locking provision to prevent closing of the withdrawable circuit breaker when the control cabinet door is open