1SDA116477R1

ABB 1SDA116477R1 is an RHD standard/direct rotary handle operating mechanism designed for ABB SACE Formula DSP P1–P2 MCCBs (molded case circuit breakers). It allows the circuit breaker to be operated manually through a rotary handle mounted directly on the breaker. The mechanism also includes a padlock provision on the circuit breaker, helping provide secure isolation during maintenance.