Motor, has many advanced features compared to the brush motor, the features are as follows: (1) Long life and high reliability. Normally 20,000hours;sometime80,000-100,000hours in special condition (2) High performance and smooth function (3) Intellectualization, mechanical and electrical integration, being easily control (4) Small volume and low power consumption (5) Low noise, no EMI (6) Rotation speed can reach 10,000rev/min or more, and be adjustable. the parameters are as follows: Specification Model Rating voltage(v) Rating current(A) Rated speed(rpm) No load speed(rpm) Power(w) Resistance Noise(db) Bearing Leads YHWM30-6 6 300 2000 5000 1.8 10MΩ 30 Ball Bearing C3-2 YHWM30-12 12 300 3500 6500 3.6 10MΩ 30 Ball Bearing YHWM30-24 24 150 4000 7000 3.6 10MΩ 30 Ball Bearing