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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
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