AC Single phase Motor Speed Controller Governor 4KW DC Speed Control Features: motor, reliable and durable e. Adopt imported thyristor BTA41-600B and 25A rectifier bridge, superior performance. Compact size and light weight, easy to carry and operate. Input with filter capacitor, protect fuse on overcurrent. Ideal for direct current machine. Specification: Model: CCM220DCS Material: Plastic + Aluminum Item Name: DC Motor Governor Potentiometer: Resistance 500K 2W Armature output: DC 10-210V or so Maximum power: motor within 2000W Size: 85 * 58 * 38mm / 3.3 * 2.3 * 1.5in  Weight: 152g / 5.4oz Note: For long time use, the maximum current needs to be less than 10A. Note that the maximum current of the motor is larger than the rated current. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.