3-phase sequence and phase loss monitoring relay, without neutral

Ref. MV55

Three-phase control relay for monitoring phase sequence, phase failure, and voltage unbalance. Operates in 3x400V AC systems and features an 8 A relay output. Adjustable thresholds and LED status signaling for quick diagnosis. Designed to protect electric motors, compressors, and industrial equipment against anomalies in the three-phase supply.