This series of low voltage withdrawable switchgear is a modular cabinetassembled in the factory(FBA)using standard components.Its technologyreached international standards at the end of the 1990s. Thislowvoltagewithdrawableswitchgearissuitableforuseinpowerplants,substations,petrochemicalplants,steelmills,transportationenergy,lightindustries,textiles,andresidentialareasorhigh-risebuildings.Itservesasapower distributiondeviceforconverting,distributing,andcontrollingelectricalenergyin powersystemswithACfrequenciesof50-60Hzandaratedoperatingvoltageof 660Vorbelow. ThedevicecomplieswithGB7251.1"LowVoltageSwitchgearAssemblies"and JB/T9961"LowVoltageWithdrawableSwitchgearAssemblies"nationalstandards,aswellasIEC439-1andVDE0660Part5internationalstandards.