ZW40 40A PWM DC Motor Speed Controller Module 9-55V 2000W with Potentiometer

ZW40 40A PWM DC Motor Speed Controller Module 9-55V 2000W with Potentiometer
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  • Product Code:SQ3504
  • Availability: 1000
  • $2.45
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  • Ex Tax:$2.45
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Tags: ZW40, motor controller, PWM, 40A, speed controller, DC motor, pwm dc motor

The Micro-ZW40 PWM DC motor speed controller is a high-power module engineered for precise speed regulation of DC brushed motors across a wide 9V to 55V input range. Using pulse-width modulation at a 25kHz switching frequency, the controller delivers smooth, linear speed adjustment from 0 to 100% through a 100KΩ linear potentiometer, avoiding the jerky response and audible noise associated with lower-frequency designs. The module supports a continuous output current of up to 40A and a continuous power rating of 2000W, making it suitable for demanding robotics, industrial automation, and electric vehicle projects. Output voltage follows the input linearly under load, so motor speed scales predictably with the potentiometer position. Connections are made through barrier screw terminals for secure wiring, and the compact 83mm × 56mm × 28mm aluminum housing with a 90g weight allows integration into space-constrained control panels. A reversible switch option enables forward, reverse, and stop control without rewiring motor leads. For reliable long-term operation, continuous current should be kept at or below 20A with adequate ventilation to prevent overheating.

ZW40 Motor speed controller Application

  1. Speed regulation of high-current DC brushed motors in industrial automation and machine control.
  2. Robotics and electric vehicle drive systems requiring a 40A PWM DC motor controller.
  3. HHO generator and electrolysis systems needing adjustable DC power.
  4. RC models, electric tools, and DIY projects with 12V, 24V, 36V, or 48V motor supplies.
  5. Pump, fan, and spindle motor control where linear potentiometer adjustment is preferred.

ZW40 Motor speed controller Specifications

  1. Model: Micro-ZW40.
  2. Input voltage: 9V to 55V DC.
  3. Output voltage: linear under load (follows input voltage).
  4. Output current: 0 to 40A.
  5. Continuous power: 2000W.
  6. Speed control type: current adjustment.
  7. Speed control mode: linear potentiometer.
  8. Potentiometer specification: 100KΩ (148).
  9. Speed range: 0 to 100%.
  10. PWM control frequency: 25kHz.
  11. Connection type: barrier screw terminal.
  12. Cooling: aluminum housing for heat dissipation.
  13. Module dimensions: 83mm × 56mm × 28mm.
  14. Weight: 90g.

Features

  1. High-power 40A output and 2000W continuous rating handle demanding DC motor loads.
  2. 25kHz PWM frequency ensures smooth, quiet motor operation with low torque ripple.
  3. 100KΩ linear potentiometer provides intuitive 0–100% speed adjustment.
  4. Wide 9V–55V input range supports 12V, 24V, 36V, and 48V motor systems.
  5. Linear output under load keeps speed proportional to potentiometer position.
  6. Barrier screw terminals enable secure, tool-free wiring for high-current connections.
  7. Compact aluminum housing (83 × 56 × 28 mm, 90g) aids heat dissipation and saves panel space.
  8. Optional reversible switch adds forward, reverse, and stop control without rewiring motor leads.
Motor Specifications
Peak Current 40A
Electrical Parameters
Voltage DC 9-55V
Power 200W
Physical Parameters
Size 83MM(L) * 56MM(W) * 28MM (H)

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