Siemens SENTRON 5SY4 MCB, 3P+N, 40A Curve C, 400V AC, 72V DC, 5 kA Breaking Capacity

The Siemens SENTRON series miniature circuit breaker has a 3P+N pole and has a current breaking capacity of 10kA. In the event of an overload or short-circuit this miniature circuit breakers safely cut off the connected circuit and reliably protect electrical installations and equipment from damage. The device have a uniform design and, with the appropriate accessories, can be expanded by many additional functions.

Type C Tripping characteristic
simple to mount and install