The ABB MS116-16 is a compact motor protection circuit breaker designed for reliable motor control and protection in industrial applications. It provides comprehensive protection against overload, short-circuit, and phase loss for three-phase motors up to 7.5kW at 400V. With a 16A adjustable current range and Class 10A tripping characteristic, it ensures safe motor starting without nuisance tripping. The unit features a 50kA breaking capacity at 400V, temperature compensation from -25°C to +60°C, and a lockable handle for safety isolation. Its compact 45mm width saves panel space, while modular design allows easy integration with contactors and auxiliary contacts.