... timers make use of both an electric motor to generate the movement and a mechanical device ... Resistance:≥100MΩ7.electric strengthAC 2700V/S 50Hz8.Motor power≤ 3W9.Working angle270 degaree10.Life more than ... assembly building of 21000 square meters, equipped with 18 assembly lines, 35 plastic machines and 45 ... ,tel , or skype : linaliu923 electric motor timer with mounting M3 and M4