It is a Compact NSXm molded case circuit breaker, 63A, 50kA at 415VAC, for all LV standard applications. It offers new features like Everlink technology, DIN rail and plate mounting capability. It embeds new spring type auxiliaries externally visible. Compact NSXm is one of the smallest MCCB on the market, 108mm (W) x 137mm (H) x 80mm (D). This is a 4 poles version with an embedded thermal-magnetic trip unit. It ensures compliance with international standards (IEC 60947/CCC/EAC) and marine specifications.