Description: Use for equipment speed regulator, light dimmer, etc High efficiency, high torque and low heat generation. With reverse polarity protection, high current protection Operating Voltage: DC 12V-40V Control Power consumption: 0.01 400W Current: rated current 8A, maximum current 10A, static current 0.02A (Standby) PWM Sampling rate: 10% -100% PWM frequency: 13 kHz Size: approx. 60 x 55 x 28mm Mount Hole Diameter: 3.2mm Onboard 10A quick blow glass tube fuse; Fuse size: 5 x 20mm Package Includes: 1 Piece DC Motor Speed Controller