ABB MS116 Manual Motor Starter which is a motor protection circuit breaker. It is used to manually switch motors on and off and protect them from short-circuits, overload, and phase failures without needing a fuse. This specific model (MS116) has an adjustable intensity from 4.0 to 6.3A. It features a built-in disconnect function, temperature compensation, trip-free mechanism, and a rotary handle for clear switch position indication. The device has a rated service short-circuit breaking capacity (Ics) of 18 kA at 480 VAC and a trip class 10A. In used working condition. Check out my other items too.
eBay