NEMA CS 2 PART 9 2002-JAN-01 ndustral Automaton Control Products and Systems Starters Contactors and Overload Relays Rated Not More Than 2000 Volts AC or 750 Volts DC - Part 9 - AC Vacumm-Break Magnetc Controllers Rated 1500 Volts AC
The standards in this part apply to magnetically-operated, full-voltage vacuum-break, non-combination controllers rated 1500 volts for both motor and non-motor loads. The motor-rated controllers are full-voltage for use with squirrel-cage and wound-rotor induction motors. The non-motor loads may be single or three-phase transformer, capacitor, heating or lighting loads.
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