The Siemens 3VA1 IEC frame circuit breaker is a moulded case circuit breaker for system protection. It has rated continuous current of 125A. This circuit breaker is equipped with thermal-magnetic trip unit TM240. It is an important element of SENTRON protective components for industrial and infrastructure applications. It has compact design It is a 4-pole version It has fixed and plug-in installation possible It is suitable for AC and DC applications Modular and easy-to-fit internal accessories with wide range of functions It offers reliable shutdown in the event of an overload or short circuit It provides 100% N conductor protection