gw8-凯发一触即发
gw8 model and meaning
gw8g model and meaning
applicable environment and installation condition
● ambient air temperature is not more than 50 ℃ and not lower than 5 ℃, 35 ℃ and average no more than 24 h (special orders except)。
● the altitude does not exceed 2000 m installation site。
● when the maximum temperature of 40 ℃ around, air relative humidity is not more than 50%;at lower temperatures, may have a higher relative humidity, such as 20 ℃ at 90%, due to temperature change occasionally produce gel special measures should be taken。
● circuit breaker shall be installed in accordance with the requirements of this manual installation.the vertical slope of the circuit breaker is not more than 5 °, the circuit breaker main circuit and under voltage trip coils, power transformer for the installation of the primary coil category iv, the rest of the auxiliary circuit, control circuit for ⅲ installation category。
● pollution levels for level 3。
● circuit breaker generally adopt open installation, protection grade can achieve ip30;circuit breaker installed in the cabinet put oneself in another's small indoor, adding frame, protection grade can achieve ip40;installed in the cabinet put oneself in another's small indoor and mounted to the frame and the transparent cover, protection grade can reach ip54。
technical parameters