gm8le series molded case type residual current circuit breaker-ag凯发k8国际
model and meaning
applicable environment and installation condition
● the altitude does not exceed 2000 m installation site;
● surrounding medium temperature is not higher than 40 ℃ and not lower than 5 ℃, 35 ℃ and average no more than 24 h ;
● installation site of air relative humidity when the temperature is 40 ℃ less than 50%;at low temperature can have higher relative humidity,for example
20 ℃ at 90%。due to temperature change occasionally produce condensation special measures should be taken;
● pollution levels for level 3;
● circuit breaker of main circuit and undervoltage tripping device for ⅲ installation category,not connected to the main circuit of auxiliary circuit and control circuit for ⅱ installation category;
● circuit breaker shall be installed in medium without explosion hazard,and medium without enough metal corrosion and damage the insulation of conductive dust and gas;
● circuit breaker shall be installed where there is no rain and snow hit;
● circuit breaker shall be installed according to the product specification。
technical parameters