The version of breaker is accompanied TM-D trip unit for thermal-magnetic protection. It is conformed to standard IEC60947-2 for circuit breakers part. This device is certified for operation in pollution degree III environment as defined IEC60947-1& IEC60664-1, and respected for RoHs requirement as european environment directive EC/2002/95. It can be mounted by blackplate or Din rail, also through the door of class II switchboard without downgrading switchboard insulation. The front of toggle offers IP40 protection, but when it is equiped extended rotary handle inside the switchboard, additional IP54 protection degree for extended rotary handle. This series have slots for electrical auxiliaries (MN/MX/OF/SD), depending on the type of trip unit if rotary handle installed.