NQ3 & NQ2 series electromagnetic starter(“starter” for short hereinafter)applies mainly to circuit with AC current of 50Hz(or 60Hz),rated operational voltage of 690V and rated controlled power up to 11kW (current up to 22A) for using to control the direct start and halt of the electromotor to protect the motor from overload and phase failure.
Electric ratings: up to 690V, 30A, AC 50Hz;
Application: assembly of NC1 AC contactor and NR2 thermal over-load relay to directly control the motor and protect the motor from over-load and phase-failure;
Standard: IEC 60947-4-1