All Class A200 non-reversing starters utilize Type B three-pole overload relays with optional Type A for auto reset applications. Sizes 5 and 6 include the needed current transformers. Moving and stationary contacts are front accessible for simple and easy inspection and maintenance. All Class A200 starters are UL listed and recognized and are CSA certified. 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