Accessories
3.2 Electromechanical accessories
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
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Manual, 10/2018, L1V30499596002-01
Mechanical operating cycles counter (MOC)
Unlike the communication link accessories, the mechanical operating cycles counter MOC
does not have a remote signaling option. It displays the number of mechanical switching
operations performed by the circuit breaker directly on the front of the circuit breaker.
Note
Because the number of operating cycles performed influences the maintenance intervals, the
mechanical operating cycles counter MOC can provide the necessary basis for defining
them.
You will find information on maintenance in Chapter Service and maintenance (Page 211)
The MOC can only be installed in conjunction with a spring charging motor.