Wenzhou Sincere Trading Co.,Ltd


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Circuit Breaker Operating conditions
Sep 04, 2018

Ambient air temperature: ambient air temperature upper limit +40℃;0 ambient air temperature lower limit-5 ℃, ambient air temperature 24h average of not more than +35℃.

Elevation: The elevation of the installation site does not exceed 2000m.

Atmospheric conditions: Atmospheric relative humidity in the ambient air temperature of +40℃ is not more than 50%, at a lower temperature can have a higher relative humidity; the monthly mean maximum relative humidity of the most humid month is 90%, while the monthly average temperature of the month is +25℃, taking into account the condensation on the surface of the product due to temperature change. Pollution level: Pollution level is 3 levels.

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