rated frequency up to 500Hz

capable of cperation both indoors and outdoors,IP44 IP45 and IP67  protection classes,superior characteristics of dust,waster and splash proof.

temperature range -25 to +40,where no explosive gas or conductive dust shall exist

state of the art technology,rational construction,excellent performance,high(low) temperature-resistance,oil-resistance,fire-retardant,shock proof,aging-resistance,pull off-prevention,fault adding prevention,extremely good insulation and good connection

nearly 100 specifications,such as rated current 16A,32A,63A and 125A,3,4,5x poles

produced in accordance with IEC60309-1/-2GB/T11918-11919 standards