Air Cooled Type Resistance Box is used for current rating from 10 to 800 Amps. The Box has the feature that by changing the resistant on the rotor the user can limit the starting torque and speed of the motor for the specific application. The Box can be availed in floor mounted option and is bottom cable entry type. The Air Cooled Type Resistance Box has current rating from 10 to 800 Amps, air cooled cooling and has working temperature from 2250 ° c to 3750 ° c.