... interphone button on the car operation pane.14.Over speed protection(down protection) It can ensure the car' ... s running speed in normal range to protect the passenger and ... 5M/S.1.75M/S6)Hospitial Elevator:Load;1600KG.Speed:1.0M/S.1.6M/S7)Freight elevator: ... ,COP.LOP,Car door,Floor door, Door operator,Speed governor,Safety gear,Oil buffer,Wheel,Guide wheel,Guide shoe ...