Conforms to IS/IEC 60947-2 & IEC 60947-2, 3 Pole, Adjustable Over Load from 0.4 - 1.0 x In, Inbuilt ground fault protection from 10% - 50% of In, Advanced Current, Voltage, Frequency & Power based protections, Variable trip class at 1.5 Ir,6 Ir & 7.2 Ir, Panel mounted display available for advanced protections & metering, For 3 phase 4 wire system, External neutral CTs available for 3P MCCBs.