Siemens 3VA9277-0EK11 is a front-mounted rotary operator accessory for SENTRON molded-case circuit breakers, enabling manual operation of the breaker from the front of the panel. It is specified as a standard accessory for Siemens 3VA6 frame breakers (sizes 150/250) and for the 3VA5 frame (250). The unit is IEC IP30/40 rated, reflecting its protection level in front-mounted configurations.
