Accessories
4.8 Accessories for protection against unauthorized operation
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
321
4.8.10.2 Activation / override
The locking provision is automatically active when the control cabinet door is closed and
the circuit breaker/non-automatic air circuit breaker is closed. However, the locking
provision can be overridden by a deliberate action if necessary:
4.8.10.3 Article number
Locking provision to prevent opening of the control
cabinet door when the circuit breaker is closed
Z-option Article number
Fixed-mounted, can be overridden
Withdrawable, can be overridden
You can purchase the accessories in the Siemens Industry Mall
(http://www.siemens.com/product?3WA9111-0BB1*).