... (default specification)1, Inpout Voltage : AC230/110V selectable2, Motor Type : AC motor , DC Motor selectable ( tailor to customer's need)3, Power : 550W ... ~1500kg( tailor to customer's need)5, Torque : 22 Nm6, Motor Speed : 1400 rpm7, Door Speed : 12m/min8, Interruption limit: spring ...