gw3 series universal type circuit breaker-ag凯发k8国际

model and meaning


model and meaning

applicable environment and installation condition
ambient air temperature is not more than 55 ℃ and no less than 40 ℃
the altitude does not exceed 2000 m installation site
when the highest temperature is around 40 ℃air relative humidity is not more than 50%at low temperaturescan have a higher relative humidityfor example 20 ℃ at 90%due to temperature change occasionally produce condensation special measures should be taken
circuit breaker shall be installed in accordance with the requirements of this manual installationthe vertical slope of the circuit breaker is not more than 5 °,circuit breaker main circuit and undervoltage trip coilspower transformer for the installation of the primary coil category ivthe rest of the auxiliary circuitcontrol circuit for ⅲ installation category
pollution levels for level 3

circuit breaker generally adopt open installationcan achieve ip30 protection gradecircuit breaker installed in the cabinet put oneself in another's little roomwith the door framecan achieve ip40 protection gradeinstalled in the cabinet put oneself in another's small indoor and mounted to the frame and transparent coverprotection grade can reach ip54

parameter selection table quickly

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