Application: 1-phase undercurrent monitoring in three-phase and alternating current networks 4 measurement ranges from 0.1 → 15 A without an additional current transducer (programmable via rotary control) Fixed hysteresis Adjustable switching delay Rest current principle LED displays: applied voltage, activated output relay Auxiliary voltage 230 Vac Auxiliary circuit and measuring circuit galvanically isolated In accordance with IEC 255, VDE 0435 Section 303
