gm series molded case circuit breaker-凯发一触即发

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 ℃, and no more than the average of 24 h
35 ℃；
● installation site of air relative humidity when the temperature is 40 ℃ less than 50%；at lower temperature
can have higher relative humidity，for example 20 ℃ at 90%。due to temperature change
the condensation special measures should be taken；
● pollution levels for level 3；
● circuit breaker of main circuit and undervoltage tripping device for ⅲ installation category，don't connect to the main circuit of the auxiliary
circuit and control circuit for ⅱ installation category；
● circuit breaker shall be installed in medium without explosion hazard，and medium without enough to corrosive action on metals, and destruction
of the insulation gas and conductive dust；
● and medium without enough to corrosive action on metals, and destruction of the insulation gas and conductive dust；

● circuit breaker shall be installed according to the product specification。
● circuit breaker protection grade (accord with the standard iec 60947-1) achieve ip20。

technical parameters