Kelly KLS7212S Controller - Electro & Company Inc.

Kelly KLS7212S Controller

Regular price$155.00
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Kelly KLS programmable motor controllers provide efficient, smooth and quiet controls for electric motorcycles, golf carts and go-carts; as well as industrial motor control. KLS controllers are mainly designed to solve noise problems of BLDC motor driving application. Compared to the traditional trapezoidal waveform control technology, this technique based on sinusoidal wave driving technology is to reduce the operation noise and 1/3 switching loss, which well meets the noise reduction and efficiency requirements in the application of DC brushless motors. It uses high power MOSFETs, SVPWM and FOC to achieve efficiencies of up to 99% in most cases. A powerful microprocessor brings in comprehensive and precise control to the controllers. It also allows users to adjust parameters, conduct tests, and obtain diagnostic information quickly and easily.

  • Motor Current Limit, 20 seconds boost: 120A
  • Motor Current Limit, continuous: 50A


  • Intelligence with powerful microprocessor
  • Synchronous rectification, ultra low drop, fast SVPWM and FOC to achieve very high efficiency
  • Electronic reversing
  • Voltage monitoring on 3 motor phases, bus, and power supply
  • Voltage monitoring on voltage source 12V and 5V
  • Current sense on all 3 motor phases
  • Current control loop


  • Frequency of Operation: 20kHz
  • Standby Battery Current: < 0.5mA
  • 5V or 12V Sensor Supply Current: 40mA
  • Controller supply voltage range: PWR, 18V to 90V for controllers rated equal or lower than 72V
  • Supply Current, PWR, 30mA Typical
  • Configurable battery voltage range, B+. Max operating range: 18V to 1.25*Nominal Voltage
  • Standard Throttle Input: 0-5 Volts(3-wire resistive pot), 1-4 Volts(hall active throttle)
  • Throttle Input: 0-5 Volts. Can use 3-wire pot to produce 0-5V signal
  • Main Contactor Coil Driver<2A
  • Full Power Operating Temperature Range: 0℃ to 70℃(MOSFET temperature)
  • Operating Temperature Range: -40℃ to 100℃ (MOSFET temperature)
  • Max Battery Current: Configurable


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