KU123 500W 12Mosfets High Speed Controller

KU123 500W 12Mosfets High Speed Controller

12Mosfets 500W High Speed Brushless Hub Motor Controller for EBike. It is suitable for all our motors. It is compatible with sensorless and hall sensor motor. Voltage: 36V and 48V are compatible.

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$29.70

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12Mosfets 500W High Speed Brushless Hub Motor Controller for EBike. It is suitable for all our motors. It is compatible with sensorless and hall sensor motor. But please don't use it for low power motor. Otherwise it will burn the motor. Voltage: 36V and 48V are compatible.

Learning mode: 5-wire hall sensor disconnected.

Normal mode: 5-wire hall sensor connected.



  • Dimension: 44x88x150mm
  • Rated Current: 30A
From Title Comment
2014-05-04 lepetit d. amazing! i try this controller on a magic pie (external controller), the difference with 30A golden motor is uncredible! 9 moflets to 12 mofets, try it!
2014-02-05 David H. 3 Speed Switch Without connection , you get 100% power and speed. With the switch in the high position, the timing is altered to reduce the back EMF, which allows the speed to increase by about 10% above what's normal. There would be a loss of efficiency at low speed, so you need to switch it off for hill-climbing. With the three position switch, position one is restricted speed (black and blue connected), position two is normal (nothing connected, and position three is boost ( black and green connected).
2012-07-18 Michael D. Yep agree, same experience here ! I use a 24 v 250 watt motor and this controller on 36 volts. Speed > 45 kmh no single problem, smoke from my brake blocks hihaaa!!!
2012-03-27 Chris H. Excellent controller I have several of these, running sensorless, and they have very very mild cogging when slowing down compared to Crystalyte controllers I've used. They also start up virtually immediately on sensorless, and I can pull up to 30 amps from them with enough battery. Recommended.

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