Industrial Grade Input Choke is used to limit the waveform distortion and harmonic voltages and help to improve power factor due to the reduction of the RMS currents in the system. The Choke has the feature that the output choke dampens the peak voltage overshoots and it also reduces the noise at the motor end. The Choke has drive rated from 1.80 to 675 AMP at 50 ° C. The Industrial Grade Input Choke has panel fan ranging from 1 to 4.