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PB-5 elevator door switch .Such contact type and electrical signal control switch;comprehensively applied in elevator door control circuit;Silver contact style with high reliability.Foreign-made reed make life much higher. Compact structure make mounting much easier.PB-5(A/B) ELEVATOR DOOR SWITCHMaterialTransparentPCMechanical life2millionsActuator2*M4Switching frequency=30minsContacttype1N.CConnection2boltsConv.Thermal currentIthe/4AConductor cross-sections0.5...1.5mmRatedoperational voltageUe220AC or 200V DCProtection typeIP20Ratedoperational currentLe/ 2AApprovalsISOUltrathin (PB-5A) and thick (PB-5B) for your choice.link:http://www.ds-elevator.com/pb-5a