| Item Description | True RMS 3-PHASE, phase sequence/loss - asymmetry, for mounting on DIN-rail, SPDT / TRMS 3-PHASE over and under voltage, phase sequence and phase loss monitoring relays detect when all 3 phases are present and have the correct phase sequence (except for n versions) available versions (W4) supplied between phase and neutral detect if all the 3-PHASE-PHASE or phase-neutral voltages are within the set limits upper and lower limits separately adjustable measure their own power supply selection of measuring range by dip-switches adjustable voltage on relative scale adjustable delay function (0.1 to 30 s) output: 8 A SPDT relay n.e. For mounting on DIN-rail in accordance with DIN/EN 50 022 (DPB01) or plug-in module (PPB01) 22.5 MM EURONORM housing (DPB01) or 36 MM plug-in module (PPB01) LED indication for relay, alarm and power supply on |