Convenient controller MC-5.3

Convenient controller MC-5.3 for BLDC motors up to 350W in the voltage range (battery) 24-48V.

All switches are electronic. The battery indicator, if needed, is an energy meter, not a simple voltage indicator, which reliably shows the remaining charge of the battery and also before it is too strong discharge protects. In the event of a longer standstill, the power is switched off so that the battery will not be discharged if the device is forgotten to be switched off. When connecting the charger switches off the motor electronics automatically, thus preventing trouble when sometimes you forget to pull the plug. The operating data for the motor, wheel diameter, start-up and maximum speed, Battery monitoring and operating mode are programmed or can be programmed at the customer's request be programmed with an adapter cable. This could also be used to import software updates. Special requirements can be realized by arrangement. The controller is only suitable for motors with Hall sensors.

DimensionAnodised aluminum housing 100x125x35 mm, splash-proof

Standard Features

  • Additional charge counter to measure the battery charge (LED chain mounted on the handlebar)
  • Battery protection circuit against deep discharge
  • Connection for pedal sensor to control the pedaling movement
  • Full engine power is available for starting and up to 6km/h, for higher speeds you have to pedal along.
  • The engine output is not controlled via the pedal but via a 'gas' handle
  • Limitation of engine power at 25km/h (according to legal regulations in Germany)
  • Maximum current limitation (15A other values can be set)
  • The energy generated during dynamo operation is fed back into the battery (if, for example, there is enough available when driving downhill)
  • Parameter programming (wheel diameter, switching speeds, etc.)

Special and additional functions

  • RS232 or USB adapter cable for using the serial interface
  • Switch on via key switch
  • Reverse shift with speed limitation e.g. for recumbent bikes and tricycles
  • adjustable electronic motor brake
  • On request, speedometer connection (for common existing bicycle speedometers)
  • Cruise control function with automatic braking
  • Alphanumeric LCD display to show various operating parameters.*

The MC 6.8 version is designed for currents of 20A. The current limit can be switched down to 10A using a switch. The other properties correspond to the MC 5.2 control. A version with a display is not possible due to the housing.


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