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    The working condition of circuit breaker
    The working condition of circuit breaker
    Time£º2015-6-4 20:51:59      Click£º180
    The working condition of circuit breaker
    1, ambient air temperature
    101 ambient air temperature limit of 40 DEG C; 101 ambient air temperature lower limit of - 5 DEG C; 101 ambient air temperature for 24h, the average does not exceed 35 degrees.
    Altitude: the altitude of the installation location is no more than 2000m.
    2, atmospheric conditions:
    Air relative humidity in the ambient air temperature is 40 DEG C does not exceed 50%; in the lower temperature can have a higher relative humidity; wet the monthly average maximum relative humidity of 90%, also the month of the monthly mean minimum temperature of 25 DEG C and taking into account the due to temperature changes occurred in the product table on the surface of the gel.
    Pollution level: pollution level is 3. Http://www.dhen.cc/
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