Vacuum starters are offered in three classifications. They are NEMA rated devices up to 600 Vac, Special Purpose rated devices up to 1500 Vac and Mining rated devices rated up to 1500 Vac. Each device is tested to different standards to serve their market. Typical applications include full voltage control of three-phase squirrel cage motors, primary control of low-voltage wound rotor motors and circuit switching for low-voltage capacitors for power factor improvement.

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