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合用基板厚度(applicablepcb

北润动态

entoperation,iec609473standard,isthechoicnormalconditions

1、theambientairtempe

tandundervoltagetrippingdeviceforⅲinstallationcategory,notconnectedtothemaincircuitofauxiliarycircuitandcontrol circuitory;●circuitbreakershallbeinstalledinmediumwithoutexplosionhazard,andmediumwithoutenoughmetalcorrosiodustandgas;●circuitbrthereisnorainandsnowhit;●circuitbreakershallbeinstalledaccording