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● Open the 3VA molded case circuit breaker:
Turn the handle clockwise until the breaker status indication indicates OFF (O).
The molded case circuit breaker is now OFF (O). The contacts are open.
Closing and opening in AUTO mode
The plastic window is closed, the motor operator is in AUTO mode. The 3VA molded case
circuit breaker can only be closed or opened by means of electrical signals.
● Close the 3VA molded case circuit breaker by means of an electrical ON signal at the
terminal block:
The molded case circuit breaker is ON (I). The contacts are closed. The switching
position indicator on the front panel of the motor operator displays ON (I).
● Open the 3VA molded case circuit breaker by means of an electrical OFF signal at the
terminal block:
The molded case circuit breaker is OFF (O). The main contacts are separated. The
switching position indicator on the front panel of the motor operator displays OFF (O).
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
Accessories
4.6 Motor operators
343
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