Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMB1, Thermal-magnetic trip type, 300-500A trip rating, Three-pole, 50A, 440 Vac, 25 kAIC, Distribution circuit protection, Rocker lever, 40-50A, Front frame clamp, 40-50A EATON Moeller MEET UL CE EMC FCC CSA certification Agency advantages supply the following brands: ①Allen-Bradley( Rockwell Automation)Series ②Square D(Schneider Electric) Series ③Eaton - Cutler Hammer (Westinghouse )Series ④SIEMENS PLC Series,Siemens CNC system ⑤Eaton moller Series