Selected parameters OUTPUT SIGNAL 2 relays SETPOINTS 2, adjustable MONITORED VARIABLE 3-phase AC voltage monitoring Others SIZE 36 mm POWER SUPPLY RANGE 208÷240 VAC MONITORING FUNCTION Under and over voltage, phase sequence/loss, asymmetry, tolerance MOUTING Plug-in INPUT RANGE 208÷240 VAC OTHERS VLN monitoring
Monitoring Relays True RMS 3-Phase, 3-Phase+N, Multifunction Types DPC71, PPC71 DPC71 PPC71 • TRMS 3-phase over and under voltage, phase sequence, phase loss, asymmetry and tolerance monitoring relay • Detect when all 3 phases are present and have the correct sequence • Detect if all the 3-phase-phase or phase-neutral voltages are within the set limits • Detect if asymmetry and tolerance are within the set value • Separately adjustable setpoints • Separately adjustable delay functions (0.1 to 30 s) • Output: 2 x 5 A relay SPDT NE • For mounting on DIN-rail in accordance with DIN/EN 50 022 (DPC71) or plug-in module (PPC71) • 35.5 mm Euronorm housing (DPC71) or 35.5 mm plug- in module (PPC71) • LED indication for relays, alarm and power supply ON Product DescriptionOrdering key DPC 71 D M48 3-phase or 3-phase+neutral line voltage monitoring relay forphase sequence, phase loss, asymmetry, tolerance, over and under voltage (sep- arately adjustable set points) Type Selection with built-in time delay func- tion. Supplyranges from208 to 480VACcoveredbytwo multivoltage relays. Housing Function Type Item number Output Power Supply Supply: Supply:Supply: MountingOutputFrequency 208 to 240 VAC380 to 415 VAC 380 to 480 VAC DIN-rail2 x SPDT50 - 60 HzDPC 71 D M23 DPC 71 D M48 Plug-in 2 x SPDT50 - 60 HzPPC 71 D M23PPC 71 D M48 InputSpecifications Input L1, L2, L3, N DPC71: Terminals L1, L2, L3, N PPC71: Terminals 5, 6, 7, 11 Measure their own supply Note: Connect the neutral only if it is intrinsically at the star centre Measuring ranges M23177 to 275 ∆VAC M48 DPC71 323 to 550 ∆VAC PPC71 323 to 475 ∆VAC Ranges Upper level +2 to +22% of the nominal voltage Lower level -22 to -2% of the nominal voltage Asymmetry 2 to 22% of the nominal voltage Tolerance2 to 22% of the nominal voltage Output Specifications Output2 x SPDT relays N.E. Rated insulation voltage 250 VAC Contact ratings (AgSnO2)µ Resistive loadsAC 1 5 A @ 250 VAC DC 12 5 A @ 24 VDC Small inductive loads AC 15 2.5 A @ 250 VAC DC 13 2.5 A @ 24 VDC Mechanical life≥ 30 x 106 operations Electrical life ≥ 105 operations (at 5 A, 250 V, cos ϕ = 1) Operating frequency≤ 7200 operations/h Dielectric strength Dielectric voltage≥ 2 kVAC (rms) Rated impulse withstand volt.4 kV (1.2/50 µs) Note: The input voltage must not exceed the maximum rated voltage or drop below the minimum rated voltage reported above. Hysteresis Set points from 2 to 5% 1% Set points from 5 to 22% 2% Specifications are subject to change without notice (12.05.10)1
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