Multifunctional device for monitoring three-phase networks for undervoltage / overvoltage. Phase sequence asymmetry, mains failure (in accordance with IEC 255, VDE 0435 part 303).
Impervious to harmonics up to a distortion factor of K 20 % Fallback delay adjustable from 0.1 → 5 s One LED indicator for each of the following: auxiliary voltage A1 / A2; overvoltage UMAX; undervoltage UMIN; asymmetry / phase sequence / mains failure; contact position One device for networks with and without a neutral conductor Rest current principle 2 changeovers Overall width 45 mm
Phase Sequence/Failure Relays
Monitoring of 3 phase supplies Orange housing manufactured to DIN 43 880 DIN rail mount