CHINT NJBK1 series motor protector,
NJBK1 series motor protector (hereinafter referre to as the protector) is applicable to the protection of overload,
furthermore to loss of phase and three-phase current unbalance of none-stop or intermittent duty AC motors with AC 50Hz,
finally rate insulation voltage below 690V and rate operating current 1A~400A. Standards:IEC 60947-4-1 .
