Air switches Contactor 4p 63a 220V/230V 50/60Hz Din Rail Household AC Contactors 1NO 3NC/2NO 2NC/3NO 1NC/4NO/4NC Industrial Electrical (Color : 63a 4nc)

Circuit breaker Circuit Breakers 1. Ambient temperature: -5 ° C to +40 ° C, the average temperature of no more than +35 ° C in . 2. Altitude: No more than 2000m. 3. Atmospheric conditions: the relative humidity of the installation site should not be more than 50% when the maximum temperature is +40 ° C: when under a lower temperature higher relative humidity is allowed.The monthly average minimum temperature in the northernmost month should not exceed +25 ° C, and the monthly average maximum relative humidity of this month should not exceed 90%.side .