Specification: Power Requirement:10-50VDC Rated Current: 60A (Maximum output current) Frequency: 15000HZ Control Motor Power: 0.01-3000W, 12V: 720W(max), 24V: 1440W(max) 36V: 2160W(max), 50V: 3000W(max) Standby Current: 0.04A Regulation Range: 5-100% PCB Size: 122x87x32mm Features: This motor speed controller is made of sturdy material, which is more durable and sturdy. The motor speed regulator features with multi-functions to offer a effective performance, it has stable performance. This motor regulator has passed many safety tests and is safe and reliable,you can use it with confidence. Used for production line conveyor belt speed control, pipeline exhaust fan speed control, treadmill speed control, electronic fan speed control. Professional manufacture ensures you higher quality products, you can buy it with ease.