programmable sensorless BLDC motor controller provides efficient, smooth and quiet controls for fans, water pump, air-conditioning, compressor, etc. Motor speed controller uses high power MOSFET, PWM to achieve efficiency 99% in most cases. Powerful microprocessor brings in comprehensive and precise control to BLDC motor controllers. This programmable brushless motor controller also allows users to set parameters, conduct tests, and obtain diagnostic information quickly and easily.

KSL controllers are produced for sensorless BLDC motors, especially for fans, water pump, air-conditioning, compressor, etc. 

Parameters should be set correctly before use!

Features: 

•Intelligence with powerful microprocessor. 

•Synchronous rectification, ultra low drop and fast PWM to achieve very high efficiency. 

•Current limit. 

•Battery current limiting available. Doesn't affect taking off performance. 

•Low EMC. 

•LED fault code. 

•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. 

•Current multiplication: Take less current from battery, output more current to motor. 

•Easy installation: 3-wire potentiometer will work. 

•Stuck Rotor protection. 

•Up to 17000 electric RPM. (Electric RPM=mechanical RPM * motor poles)

•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: < 2mA. 

•5V Sensor Supply Current: 40mA. 

•Supply Current, PWR, <150mA. 

•Controller supply voltage range, PWR, 18V-90V. 

•Configurable battery voltage range, B+. Max operating range: 18V-90V 

•Analog Throttle Input: 0-5 Volts. Producing 0-5V signal with 3-wire pot. 

•Reverse Alarm, Meter, Main Contactor Coil Driver: <200mA.( NA*)

•Full Power Operating Temperature Range: 0℃ to 50℃ (controller case temperature). 

•Operating Temperature Range: -30℃ to 90℃, 100℃shutdown (controller case temperature). 

•Motor Current Limit, boost current: 100A 

•Motor Current Limit, continuous: 50A 

•Max Battery Current: Configurable.  

 our company specialized in the manufacture and export of electric system &control systems *supporting products ,  including pure sine wave power inverter, motor controller,charger,DC-DC  converter,electronic throttle,battery discharge indicator ,hour meter &tachmeter ,Air conditioning systems,electric system solution .etc

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