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90W 220V gear motor electric motor with controller 1:50 27RPM. Gear motor electric motor 1. Reduction ratio: 1:50(50K). Geared motor size:164MM 90MM 74MM. Warm tips: the product label may be 110V, but the physical object is 220V. 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 ratio.
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