Setting of MCCB for Motor Circuit

Tuesday, 04 July 2017 11:34 administrator

For Short Circuit Protection (Magnetic Setting):

Example for Setting of MCCB  for Motor Circuit

Motor Starting Current:

  1. Inrush Current (Sub transient phase)
  2. Starting or Lock Rotor Current (Transient phase)
  3. Steady state operation.

Inrush Current (Sub transient phase)

Starting Current (Transient phase)

The magnetic settings for Motor should be as follows:

Last Updated on Tuesday, 04 July 2017 12:27