GW8-20H/N Intelligent low-voltage universal circuit breaker
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
