Posted on 8/24/2026
Coffee grinders require more than high motor speed. As coffee beans enter and pass through the grinding mechanism, changing resistance places varying loads on the motor, requiring a balance of speed, torque, compact size, and stable power output.
The Power Motor PU5421230 AC universal motor is designed for household coffee grinding applications. Operating at 230V, it reaches a no-load speed of 30,000 RPM. At its maximum-efficiency operating point, the motor delivers 50 mN·m torque at 16,900 RPM with 88W output power.
Under higher grinding loads, the motor can deliver up to 120 mN·m torque, with maximum output po...