MiCOM P122C Time-Overcurrent Protection Device P122C/EN M/B11
The MiCOM P122C relay provides these protection and monitoring functions:
• Four-pole current measurement (A, B, C, N)
• Overcurrent protection for phases and earth, three stages each, with definite-time
and inverse-time characteristics for the first and second stages
• Unbalance protection, two stages, with definite-time and inverse-time
characteristics for the first stage
• Thermal overload protection