I. Elevator basic structure 1. Elevator machine room: include traction machine, brake, speed limiter, traction sheave guard, guide pulley or secondary sheave, hand ... button box, floor displayer, door mechanical locker, elevator electric interlock. II. Elevator basic function 1, Input voltage: AC 380, ... Current rating: 2.5 A Power 1.2 KW 5, Traction machine: 6, Drive motor Voltage: AC 220V, 50Hz Power: ...