DC Brush Motor Speed Controller PWM 10-50V 40A 2000W Governor HHO RC Fan
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⚙️ DC Brush Motor Speed Controller — PWM 10–50V 40A Adjustable Governor with Case
High-power PWM DC motor speed controller designed for smooth variable-speed control of brushed DC motors in DIY, automotive, workshop, ventilation, pump, and industrial-style applications. This controller supports a wide DC 10V–50V input range, high-current operation, and a practical external control knob for convenient real-time speed adjustment.
It is a strong solution for users who need a compact but powerful controller for fans, pumps, conveyor systems, automotive DC motors, RC projects, HHO PWM applications, and other compatible brushed motor loads.
🔧 Key Features
⚡ Wide Input Range — supports DC 10V to 50V
🎛️ PWM Speed Regulation — adjustable duty cycle from 5% to 100%
💪 High Current Capability — rated up to 40A max output current
🔥 High Power Platform — theoretical support up to 2000W depending on voltage, load, wiring, and cooling
🧠 Simple Speed Control — external potentiometer knob for convenient adjustment
📦 Protective Enclosure Included — supplied with case for a cleaner and safer installation
🌬️ Low Idle Draw — quiescent current about 0.025A
🛠️ Good for DIY & Utility Projects — suitable for many brushed motor speed-control applications
🆚 What This Controller Is / Is Not
What it is:
A PWM speed controller for brushed DC motors, fans, pumps, and other compatible DC loads.
What it is not:
It is not a brushless motor controller, not an AC dimmer, and not a precision regulated DC power supply.
Important: This model is intended for DC brushed motor speed control. It is not the correct controller for brushless motors.
⚙️ Core Features
Controller Type: PWM DC motor speed governor
Motor Type: brushed DC motor
Control Method: external potentiometer knob
PWM Frequency: 12KHz
Regulation Range: 5%–100%
Housing: enclosure included
📐 Key Specifications
Working Voltage: DC 10V–50V
Rated Current: 40A max output current
Control Motor Power: 0.01–2000W
Recommended Use Range:
• 12V: within 250W
• 24V: within 350W
• 48V: within 500W
Theoretical Maximum Power by Voltage:
• 12V: 480W max
• 24V: 960W max
• 36V: 1440W max
• 50V: 2000W max
Quiescent Current: 0.025A
PWM Regulation Range: 5%–100%
PWM Frequency: 12KHz
PCB Size: 90 × 51 mm / 3.5" × 2"
Case Size: 105 × 55 × 40 mm / 4" × 2.2" × 1.6"
Operating Temperature: -20°C to 40°C
🧠 Quick Selection Guide
Need adjustable speed for a brushed DC motor? This controller is a strong fit.
Need to control a fan, pump, conveyor, or automotive brushed motor? This model is suitable for those types of loads when correctly sized.
Need maximum real-world reliability? Stay closer to the recommended practical power range, not only the theoretical peak numbers.
Need control for a brushless motor? Choose a dedicated brushless motor controller instead.
🧰 Typical Uses
Brushed DC motor speed control
Automotive blower / fan control
Cooling fan speed adjustment
Electric pump speed control
Conveyor belt motor control
Exhaust fan speed regulation
RC and hobby projects
HHO PWM applications
DIY test equipment and automation projects
🔌 Wiring & Safety
Use only with a compatible DC power source within the 10V–50V range.
This controller is intended for brushed DC motors and compatible DC loads.
Actual safe output power depends on voltage, motor type, wiring gauge, cooling, and duty cycle.
For higher-current applications, use adequate wire size, secure terminals, and proper fusing.
Install in a ventilated location and do not enclose the unit where heat cannot escape.
Always test under controlled conditions before continuous-duty use.
⚠️ Important Notes
The listing text may mention very high theoretical wattage values, but real practical continuous use should follow the recommended power ranges for safer operation.
This is a PWM controller, not a fixed-voltage regulator.
This product should not be used for brushless motors unless your system explicitly supports that use through additional correct hardware.
Improper wiring, overload, or insufficient cooling can damage the controller and connected equipment.
📦 Package Includes
1 × DC Brush Motor Speed Control PWM HHO RC Controller
💥 Volume Discount — Buy More & Save
10% OFF when you buy 2 units
15% OFF when you buy 3 units
20% OFF when you buy 4 or more units
Discount auto-applied.
🇺🇸 Premium Support & Shipping
🇺🇸 US Stock / Fast Shipping — 2–4 day delivery from Oklahoma, USA. Your purchase supports a US-based small business.
🧪 Quality Checked & Tested — spot-checked before shipping.
🔁 Easy Returns — 30-day returns; we pay return shipping.
📦 Professional Packaging — safe delivery, 100% guaranteed.
High-power PWM DC motor speed controller designed for smooth variable-speed control of brushed DC motors in DIY, automotive, workshop, ventilation, pump, and industrial-style applications. This controller supports a wide DC 10V–50V input range, high-current operation, and a practical external control knob for convenient real-time speed adjustment.
It is a strong solution for users who need a compact but powerful controller for fans, pumps, conveyor systems, automotive DC motors, RC projects, HHO PWM applications, and other compatible brushed motor loads.
🔧 Key Features
⚡ Wide Input Range — supports DC 10V to 50V
🎛️ PWM Speed Regulation — adjustable duty cycle from 5% to 100%
💪 High Current Capability — rated up to 40A max output current
🔥 High Power Platform — theoretical support up to 2000W depending on voltage, load, wiring, and cooling
🧠 Simple Speed Control — external potentiometer knob for convenient adjustment
📦 Protective Enclosure Included — supplied with case for a cleaner and safer installation
🌬️ Low Idle Draw — quiescent current about 0.025A
🛠️ Good for DIY & Utility Projects — suitable for many brushed motor speed-control applications
🆚 What This Controller Is / Is Not
What it is:
A PWM speed controller for brushed DC motors, fans, pumps, and other compatible DC loads.
What it is not:
It is not a brushless motor controller, not an AC dimmer, and not a precision regulated DC power supply.
Important: This model is intended for DC brushed motor speed control. It is not the correct controller for brushless motors.
⚙️ Core Features
Controller Type: PWM DC motor speed governor
Motor Type: brushed DC motor
Control Method: external potentiometer knob
PWM Frequency: 12KHz
Regulation Range: 5%–100%
Housing: enclosure included
📐 Key Specifications
Working Voltage: DC 10V–50V
Rated Current: 40A max output current
Control Motor Power: 0.01–2000W
Recommended Use Range:
• 12V: within 250W
• 24V: within 350W
• 48V: within 500W
Theoretical Maximum Power by Voltage:
• 12V: 480W max
• 24V: 960W max
• 36V: 1440W max
• 50V: 2000W max
Quiescent Current: 0.025A
PWM Regulation Range: 5%–100%
PWM Frequency: 12KHz
PCB Size: 90 × 51 mm / 3.5" × 2"
Case Size: 105 × 55 × 40 mm / 4" × 2.2" × 1.6"
Operating Temperature: -20°C to 40°C
🧠 Quick Selection Guide
Need adjustable speed for a brushed DC motor? This controller is a strong fit.
Need to control a fan, pump, conveyor, or automotive brushed motor? This model is suitable for those types of loads when correctly sized.
Need maximum real-world reliability? Stay closer to the recommended practical power range, not only the theoretical peak numbers.
Need control for a brushless motor? Choose a dedicated brushless motor controller instead.
🧰 Typical Uses
Brushed DC motor speed control
Automotive blower / fan control
Cooling fan speed adjustment
Electric pump speed control
Conveyor belt motor control
Exhaust fan speed regulation
RC and hobby projects
HHO PWM applications
DIY test equipment and automation projects
🔌 Wiring & Safety
Use only with a compatible DC power source within the 10V–50V range.
This controller is intended for brushed DC motors and compatible DC loads.
Actual safe output power depends on voltage, motor type, wiring gauge, cooling, and duty cycle.
For higher-current applications, use adequate wire size, secure terminals, and proper fusing.
Install in a ventilated location and do not enclose the unit where heat cannot escape.
Always test under controlled conditions before continuous-duty use.
⚠️ Important Notes
The listing text may mention very high theoretical wattage values, but real practical continuous use should follow the recommended power ranges for safer operation.
This is a PWM controller, not a fixed-voltage regulator.
This product should not be used for brushless motors unless your system explicitly supports that use through additional correct hardware.
Improper wiring, overload, or insufficient cooling can damage the controller and connected equipment.
📦 Package Includes
1 × DC Brush Motor Speed Control PWM HHO RC Controller
💥 Volume Discount — Buy More & Save
10% OFF when you buy 2 units
15% OFF when you buy 3 units
20% OFF when you buy 4 or more units
Discount auto-applied.
🇺🇸 Premium Support & Shipping
🇺🇸 US Stock / Fast Shipping — 2–4 day delivery from Oklahoma, USA. Your purchase supports a US-based small business.
🧪 Quality Checked & Tested — spot-checked before shipping.
🔁 Easy Returns — 30-day returns; we pay return shipping.
📦 Professional Packaging — safe delivery, 100% guaranteed.
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