Model 45 corn grinder is equipped with a three-phase 1 1 kW 3000 rpm motor. In general, you should have a 7.5 or 1 1 kW motor for the pulverizer to avoid the situation of big horse-drawn carts. It is estimated that the starting current is almost measured with an ammeter. Generally, it is 3-5 times the rated current of the motor. The startup time is less than 5 seconds.