Siemens 3VA1 100 A Manual page 264

Accessories
4.6 Motor operators
● Open the 3VA molded case circuit breaker:
Turn the handle clockwise until the switching position indicator displays OFF (O).
The molded case circuit breaker is now OFF (O). The main contacts are open.
Opening and closing in AUTO mode
The plastic window is closed, the motor operator is in AUTO mode. The 3VA molded case
circuit breaker can be closed or opened only under the control 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 main 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).
264
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02