It is a ComPacT NSXm molded case circuit breaker, 40 A, 50 kA at 415 VAC, for all standard LV applications. It offers new features such as Everlink technology, DIN rail and panel mounting capability. It integrates new spring type auxiliary devices that are externally visible. ComPacT NSXm is one of the smallest molded case circuit breakers available on the market, 108 mm (W) x 137 mm (H) x 80 mm (D). It is a 4-pole version with integrated thermo-magnetic tripping device. It ensures compliance with international standards (IEC 60947/CCC/EAC) and marine specifications.