Feature:
1: The product adopts metal shell, high temperature flame retardant and not easy to deform.
2: This simple and easy-to-use DC motor speed controller has an stable performance.
3: This speed controller is used for the use of DC brushed motors.
4: Do not use 48V battery or storage battery for power supply.
5: Not suitable for speed regulation of brushless DC motors; nor can it be used as a voltage regulator or voltage stabilizer!
6: Please make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged.

Specifics:
Condition: 100% Brand New
Operating Voltage: DC 10V-50V
Continuous Current: 30A
Maximum Current: 40A
Output Voltage: Load Linearv Speed Control: Potentiometer (with switch)
Adjustable speed range: 0-100 %
Frequency: 16Khz
Dimensions (L*W*H): 110 X 78 X38mm/4.33*3.07*1.5in
Recommend Continuous used parameters: Below 12V 300W, 24V 450W.........48V 500W Adjustable speed range is from 0%-100%.
Equipped with aluminum shell and connection label, Installed easily.
Operating instruction:
Before you attempting to wire the controller, make sure power is off.
WARNING: DO NOT REVERSE POSTIVE AND NEGATIVE POWER LOADS.THIS WILL DAMAGE THE CONTROLLER.
1. Connect wires refer to label the on the controller.
(It is recommended to add an appropriately rated fuse online with the positive supply.)
2. Turn on the power.
3. Adjust the potentiometer and forward-and-reverse switch.

Note:
1. Please allow 1-3mm difference due to manual measurement.
2. Due to the light and screen difference, the item's color may be slightly different from the pictures.

Package Included:
1 X DC Motor Speed Controller

Shipping
1. Free Shipping
2. Location: Leicestershire
3. Shipping time: 3-8 buisness days via Royal Mail or FedEx.

Warranty:
Guarantee Period: 1 Years
Returns & Refunds: Customers can return the goods within 60 days of receipt and process quick refund within one day
24-Hour Support: Provide you with timely after-sale support