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Industrial Grade PWM DC Motor Speed Controller, DC 10V-50V / Rated 60A / Max 100A Industrial Grade DC Brush Motor Controller with Fuse & CW/CCW Switch & Potentiometer Knob

Free shipping on orders over $29.99

$51.99

$ 25 .99 $25.99

In Stock

About this item

  • ♕【Technical Parameter】Input voltage: DC 10V-50V; Rated current: 60A; Max current:100A; Speed range: 0%-100%; Apply to: DC brush motor
  • ♕【Cooling Fan】Professional cooling fan is with same quality as that on notebook computer. Effective heat dissipation ensures the controller’s safe and steady work
  • ♕【CW/CCW Switch】The switch can provide clockwise and counter clockwise rotation choice. With this latching switch, you can control the rotation direction easily
  • ♕【Ring Terminals】 Plays an good role between motor and controller connection. Make motor wiring and power wiring connect to the controller more securely
  • ♕【Safety Fuse】The controller is with a number 8 shape fuse on circuit board. It helps prevent the controller from damaging by excessive current. You can replace it with spare fuse if original fuse blows



Product Description

motor speed controller

HARMNEE PWM DC Motor Speed Controller

HARMNEE devotes to make easy-to use tools for DIY lovers. This controller adjusts motor speed by adjust output working voltage on motor. It can help you regulate motor real-time output power easily. Except for motor, it can also adjust light for lamp and temperature for heater etc.

This controller is an industrial grade DC motor speed controller. It is with a professional cooling fan on circuit board to help dissipate heat and keep in suitable working temperature. Switch is with CW and OFF and CCW 3 gears. 100k potentiometer help adjust output voltage accurately. Well-designed label guide you wire without obstacle. Hope you have good experience with HARMNEE products!


motor speed controller
Technical Parameters
  • Input V: DC 10V-50V
  • Rated Current: 60 Amps
  • Max Current: 100 Amps
  • PWM Frequency: 15kHz
  • Potentiometer: 100KΩ
  • Adjustable Range: 0%-100%
  • Inductive Load: 3000W Max
  • Resistive Load: 3500W Max

HARMNEE Controller Specification

Motor Power Recommend

HARMNEE motor speed controller applies to DC brush motor and need to match with DC power supply. It doesn’t fit for brushless motor or AC power supply.

HARMNEE motor controller is with rated current 60 amps and supports max current up to 100 amps. For motor, its starting current is several times of its rated current. To ensure security, the rated current of motor used should be no more than 60 amps. Recommended motor power is as below.

  • 12V Motor within: 12V*60A=720W
  • 24V Motor within: 24V*60A=1440W
  • 36V Motor within: 36V*60A=2160W
  • 48V Motor within: 48V*60A=2880W
  • 50V Motor within: 50V*60A=3000W

HARMNEE Design Show

cooling fan

Professional Cooling Fan

  • Effective heat dissipation
  • Safe & stable

Potentiometer knob

Potentiometer Knob

  • Soft start function
  • 100k resistances value
  • Accurate adjustment

CW/CCW Switch

CW/CCW Switch

  • CW / OFF / CCW
  • Easy to install

metal casing

Multihole Housing

  • Easy to dissipate heat
  • Protect the circuit
  • Easy to install

What Can HARMNEE Motor Speed Controller Do?

trolling motor

Trolling Motor

toy car motor

Toy Car Motor

grass trimmer

Grass Trimmer Motor

dc electric fan

DC Electric Fan

replace fuse

How to Insalll HARMNEE motor speed controller?

1. Before you attempt to wire the controller, make sure your power is off. And please turn off the switch on the speed controller.

2. Follow the wiring diagram on the controller, connect the wires between the power supply, controller and motor accurately.

(Attention: Do Not reverse the positive and negative power load.)

3. Fix the controller someplace. Then turn on the power and controller switch. Now adjust the potentiometer knob to adjust motor speed.

4. If everything goes well, fix the controller in a ventilated place. Then turn on switch and pontentiometer knob in sequence. Enjoy your DIY experience.


Green Valley
2025-07-24 11:53:41
The controller has powered my tailgate spreader thru 30 pallets of rock salt so far without fail. Not bad at all. The cost so far is about $2 per pallet considering the unit cost $60.
Ascencion
2025-06-30 10:08:44
Great product, used it to power my trolling motor on my kayak and it functions just like it is intended to.
Jenny Smith
2025-06-22 12:05:11
The controller didn't reverse the motor on first start up. Had to contact HARMNEE customer service.Update #1Company did respond and sent out another unit promptly. However, the replacement unit was the not correct one. I received the much less expensive version they sell for $29.99. I have contacted the company to try to get the exact model I purchased. I'll update again after I receive the correct unit.Update #2:I was able to fix the relay that was not closing on the Normally Closed position. I told the company representative the issue was solved and no need to send out another unit. If you have an issue, contact customer support.
Jon
2025-06-17 13:16:35
This is set up in a power wheels Dune Racer, and as soon as you push the switch on, the motors move without even pushing the petal. Big Safety hazard. I’ll have to figure it why it sends voltage to the motors right away but it’s not something i expected to need to do.Update: it’s looking like it’s a faulty unit. It should not be putting out any voltage without any kind of input.
D. Coverstone
2025-06-12 12:51:24
I got an old trolling motor working again by using this controller. Couldn't find original replacement parts due to age of motor but this controller did the trick. Easy to use and handles the needed power (I bought a cheaper one that burned up on the first use!) The control knob is a little small so I replaced it, but otherwise top knotch!
PLD
2025-05-12 18:30:17
The speed controller works great on my 36 volt 52amp minn kota project trolling motor.
Customer
2025-05-04 17:07:15
I like the fuse, it may help with some wiring mistakes
ADAM
2025-04-19 17:09:43
I used this to control a electric hydraulic power steering pump on a civic. I got rid of the mechanical pump and did this custom install. The problem was the pump was too fast. So I needed this to be able to adjust the speed of the pump lower. Unfortunately even at full speed the pump is too slow and feels like it's not even on. I took too long to install it Soni can't even return it. I'll have to find a better option.
Green Valley
2025-04-16 12:06:00
The controller has powered my tailgate spreader thru 30 pallets of rock salt so far without fail. Not bad at all. The cost so far is about $2 per pallet considering the unit cost $60.
Ascencion
2025-01-30 12:48:18
Great product, used it to power my trolling motor on my kayak and it functions just like it is intended to.
Jenny Smith
2025-01-07 14:06:38
The controller didn't reverse the motor on first start up. Had to contact HARMNEE customer service.Update #1Company did respond and sent out another unit promptly. However, the replacement unit was the not correct one. I received the much less expensive version they sell for $29.99. I have contacted the company to try to get the exact model I purchased. I'll update again after I receive the correct unit.Update #2:I was able to fix the relay that was not closing on the Normally Closed position. I told the company representative the issue was solved and no need to send out another unit. If you have an issue, contact customer support.
Jon
2025-01-06 16:14:12
This is set up in a power wheels Dune Racer, and as soon as you push the switch on, the motors move without even pushing the petal. Big Safety hazard. I’ll have to figure it why it sends voltage to the motors right away but it’s not something i expected to need to do.Update: it’s looking like it’s a faulty unit. It should not be putting out any voltage without any kind of input.
D. Coverstone
2024-12-17 14:44:57
I got an old trolling motor working again by using this controller. Couldn't find original replacement parts due to age of motor but this controller did the trick. Easy to use and handles the needed power (I bought a cheaper one that burned up on the first use!) The control knob is a little small so I replaced it, but otherwise top knotch!
PLD
2024-12-05 11:39:14
The speed controller works great on my 36 volt 52amp minn kota project trolling motor.
Customer
2024-11-24 14:44:31
I like the fuse, it may help with some wiring mistakes
ADAM
2024-11-12 15:46:41
I used this to control a electric hydraulic power steering pump on a civic. I got rid of the mechanical pump and did this custom install. The problem was the pump was too fast. So I needed this to be able to adjust the speed of the pump lower. Unfortunately even at full speed the pump is too slow and feels like it's not even on. I took too long to install it Soni can't even return it. I'll have to find a better option.