Three-phase voltage relays

3-phase loss and sequence monitoring relay, nominal voltage 208-480 V AC, SPDT relay output, regenerated voltage detection, high compactness with 17.5 mm DIN-rail housing

3-Phase Star-Delta True RMS Monitoring Relay, Phase Sequence, Phase Loss, Over/Under Voltage, 1 SPDT Relay Output, IP20, DIN-rail mounting, Measuring Range 208 to 480Vac, 17.5x90x67.2mm housing