Accessories
4.8 Accessories for protection against unauthorized operation
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
317
4.8.8 Locking provision with safety lock for the racking handle
4.8.8.1 Description
The locking provision locks the racking handle of the racking mechanism with a safety
lock which is installed on the withdrawable circuit breaker. The racking handle is
prevented from being pulled out and the withdrawable circuit breaker is protected
against racking.
Five versions are available:
• Locking provision with lock operation, made by CES
• Locking provision with lock operation, made by Profalux
• Locking provision with lock operation, made by Ronis
• Locking provision with lock operation, made by IKON
• Locking provision for lock operation, made by KIRK Key.
The locking provision for the racking handle can be retrofit.
You will find more information in the operating instructions available on the internet
(https://support.industry.siemens.com/cs/ww/en/view/109783974
).
4.8.8.2 Activation
Note
The lock is only active when the key is removed.
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