Accessories
4.6 Motor operator
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
297
Opening and closing in AUTO mode
The plastic window is closed, the motor operator is in AUTO mode. The 3VA UL molded
case circuit breaker can be closed or opened with electrical signals.
● Close the 3VA UL molded case circuit breaker with an electrical ON signal at the terminal
block:
The molded case circuit breaker is closed - ON (I). The main contacts are closed. The
indicator on the front panel of the motor operator indicates ON (I).
● Open the 3VA UL molded case circuit breaker with an electrical OFF signal at the
terminal block:
The molded case circuit breaker is opened - OFF (O). The main contacts are separated.
The indicator on the front panel of the motor operator indicates OFF (O).
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