NZMB1-4-A50, Klockner Moeller,Eaton, NZM1 Series, type NZMB1, 4P, 3PH, 440V, 50A, 25kA@415V, basic switching capacity, bolt-on/fixed mounting, with box terminals, thermal magnetic, molded case circuit breakers, IEC rated/UL listed 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