GKW1 series intelligent universal circuit breaker

Installation category

Circuit breakers with rated operating voltages of 660V (690V) and below and undervoltage releases, primary coils for power transformers for category IV installation; auxiliary circuits and control circuits for installation category III.

ambient air temperature

The upper limit does not exceed +40 ° C, the lower limit is not lower than -5 ° C, and the average value of 24 h does not exceed +35 ° C

Atmospheric conditions

The relative humidity of the atmosphere does not exceed 50% when the ambient air is +40 ° C