KDH-E – High Power Opto-Isolated Brushed DC Series/PM Motor Controller with Regen (72V-144V) (400A-1200A)

SKU KDH-E Category


Additional information

Weight 8.40 lbs
ModelNominal VoltageMax Operating VoltagePeak Current
2 Minutes
Continuous CurrentRegen
Kelly KDHE High Power Opto-Isolated Brushed DC Series/PM Controller


  • Opto-isolated technology achieve stability.
  • Intelligence with powerful microprocessor.
  • Synchronous rectification, ultra low drop, and fast PWM to achieve very high efficiency.
  • Current limit and torque control.
  • Low EMC.
  • LED fault code.
  • Voltage monitoring on voltage source 12V and 5V.
  • Hardware over current protection.
  • Hardware over voltage protection.
  • Support torque mode, speed mode, and balanced mode operation.
  • Configurable limit for motor current.
  • Battery protection: current cutback, warning and shutdown at configurable high and low battery voltage.
  • Rugged aluminum housing for maximum heat dissipation and harsh environment.
  • Rugged high current terminals, and rugged aviation connectors for small signal.
  • Thermal protection: current cut back, warning and shutdown on high temperature.
  • Configurable high pedal protection: the controller will not work if high throttle is detected at power on.
  • Brake switch is used to start regen.
  • 0-5V brake signal is used to command regen current.
  • Easy installation: 1-4V “Hall Active” throttle or “3 Wire” potentiometer(<100K) can work.
  • Standard PC/Laptop computer to do programming. No special tools needed.
  • User program provided. Easy to use. No cost to customers.

General Specifications:

  • Frequency of Operation: 16.6kHz.
  • Standby Battery Current: < 0.5mA.
  • Controller logic supply voltage,Logic PWR: 8-20V
  • Supply Current, 200mA @ 12V, or 2.5W.
  • Standard Throttle Input: 0-5 Volts(3-wire resistive pot), 1-4 Volts(hall active throttle).
  • Analog Brake and Throttle Input: 0-5 Volts. Producing 0-5V signal with 3-wire pot.
  • Reverse Alarm, Main Contactor Coil Driver, Meter.
  • Full Power Temperature Range: 0℃ to 50℃ (controller case temperature).
  • Operating Temperature Range: -30℃ to 90℃, 100℃ shutdown (controller case temperature).


Kelly KDHE Controllers User Manual

Kelly KDHE Configuration Program

Kelly KDHE Assembly Wiring Diagram

Kelly Dual KDHE Assembly Wiring Diagram