A201 contactors are designed for the control of inductive or non-inductive loads at voltages between 120 and 600, AC. The units are suitable for mounting on either steel or insulated panels. All parts are front removable. Contactors should be protected against short circuits by branch circuit protective devices selected in accordance with the National Electrical Code (NEC). 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