Siemens SENTRON 3WL10 - Operation; Opening and Closing

Operation
6
6.1 Operation
6.1.1 Opening and closing
Closing and opening manually
The air circuit breaker can be closed and opened manually with the pushbuttons on the front.
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① Switch position indicator contacts OPEN / CLOSED
② "Mechanical ON" pushbutton
③ "Mechanical OFF" pushbutton
④ Status indicator of spring energy store CHARGED / DISCHARGED
⑤ Manual lever for charging the spring energy store
⑥ Toggle
The following conditions must be met before the circuit breaker can be closed:
• Circuit breaker in the OPEN position
• Spring energy store compressed
• Open command via remote access is not pending
• Interlocking with open command is not pending (mechanical and electrical interlocks)
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03 183