Industrie Verwendung QPS-630 LV Isolation Schalter

Applicationareas As main,emergency switch,isolating switch in distribution board employed in residential and functional buildings or industrial power distribution boards. Servicecondition 1.Maximumambienttemperature,40°C,minimumambienttemperature,-5°C 2.OperationalAltitude:FromM.S.Lto2000metersaboveM.S.L 3.Environmentalpollutiongrade:3grade 4.Maximumaveragetemperaturewithin24hours:35°C 5.Maximumrelativehumidity:90% 6.Intallationcatagory:III,IV Componentsmaterial ButtomBase:BMC plastic Contactsupporter:BMC plastic Arcextinguishingequipmentmaterial:BMC plastic Contact:T2Ypurecopperstick Contactcutter:T2YPurecopperplate Spring(springslip):65Mncoldrollingsteelstrip Spring:65Mncoldrollingsteelstrip,65Mnsteelwire. structure feature series QAS,QPS,QSS double throw switches are composed of the two set switches as same specification and model(See figure) ,their technical parameters as the QA,Qp,QSA single throw switches. Conform to the LEC947-3,GB14048.3 standard.When one set switch is making(breaking),the otherisin the condition of breaking(making)and it also can be in the condition ofmaking at the same time