Monitoring Relays True RMS 3-Phase, Phase Sequence/Loss - Asymmetry Types DPB02, PPB02 DPB02 PPB02 • TRMS 3-phase phase sequence, phase loss and asymmetry monitoring relays • Detect when all 3 phases are present and have the correct sequence • Detect if asymmetry level is below the set value • Measure their own power supply • Selection of measuring range by DIP-switches • Adjustable asymmetry on relative scale • Adjustable delay function (0.1 to 30 s) • Output: 8 A relay SPDT N.E. • For mounting on DIN-rail in accordance with DIN/EN 50 022 (DPB02) or plug-in module (PPB02) • 22.5 mm Euronorm housing (DPB02) or 36 mm plug-in module (PPB02) • LED indication for relay, alarm and power supply ON Product DescriptionOrdering Key DPB 02 C M23 3-phase or 3-phase+neutral line voltage monitoring relay forphase sequence, phase loss and asymmetry with built-in time delay function. Supplyranges from208 to 480VACcoveredbytwo multi voltage relays. Housing Function Type Item number Output Power supply Type Selection Mounting OutputSupply: 208 to 240 VAC Supply: 380 to 415 VAC Supply: 380 to 480 VAC DIN-rail SPDT DPB 02 C M23DPB 02 C M48 Plug-inSPDT PPB 02 C M23 PPB 02 C M48 InputSpecifications Output Specifications Input L1, L2, L3, N DPB02: Terminals L1, L2, L3, N PPB02: Terminals 5, 6, 7, 11 Measure their own supply Note: Connect the neutral only if it is intrinsically at the star centre Measuring ranges 208 to 240 VAC177 to 275 ∆VAC 380 to 480 VAC (DPB02CM48)323 to 550 ∆VAC 380 to 415 VAC (PPB02CM48)323 to 475 ∆VAC Ranges Asymmetry 2 to 22% of the nominal voltage OutputSPDT relay Rated insulation voltage 250 VAC Contact ratings (AgSnO2) µ Resistive loadsAC 1 8 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 8 A, 250 V, cos ϕ = 1) Operating frequency ≤ 7200 operations/h Dielectric strength Dielectric voltage2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 µs) Note: The input voltage must not exceed the maxi- mum rated voltage or drop below the minumum rated voltage reported above. Specifications are subject to change without notice (31.03.10)1
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