90W AC110V gear motor electric variable speed controller 120 67RPM Single-phase
90W AC110V gear motor electric variable speed controller 1:20 67RPM Single-phase. Gear motor electric motor 1. Reduction ratio: 1:20K. Geared motor size164MM 90MM 74MM. 1 x speed controller. Under different deceleration ratio, the output shaft speed is different. The output shaft speed is equal to the motor speed of 1350 rpm divided by the deceleration