1. Quiet and stable: The motor speed regulator runs smoothly, without noise or vibration, and has a stable circuit design. 2. Long working hours: The motor speed regulator is optimized for the circuit, which makes the motor adjustment range wider and can work continuously. 3. Complete functions: The motor speed regulator adopts a wide voltage and high current design, with a current peak of up to 30A, and has the functions of running, stopping and braking. 4. Imported materials: The motor speed regulator adopts imported high-voltage MOS tubes, equipped with fuses and aluminum alloy shells, which can ensure the long-term durability of internal circuits and components. 5. Wide voltage range: The motor speed regulator can be applied to DC 770V voltage and has a wide range of uses.