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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, fixed MONITORED VARIABLE 3-phase AC voltage monitoring Others SIZE 17,5 mm POWER SUPPLY RANGE 208÷480 VDC MONITORING FUNCTION Phase sequence, phase loss MOUTING DIN-rail INPUT RANGE 208÷480 VAC OTHERS Regenerated voltage detection
Monitoring Relays 3-Phase Sequence and Phase Loss Type DPA51 • 3-phase monitoring relay for phase sequence and phase loss • Detects when all phases are present and have the correct sequence • Measures its own power supply • Power supply range: 208 to 480 VAC (±15%) • Output: 5 A SPDT relay normally energized • For mounting on DIN-rail in accordance with DIN/EN 50 022 • 17.5 mm DIN-rail housing (DIN 43880) • LED indication for relay and power supply ON Product Description Ordering Key DPA 51 C M44 3-Phase relay for detection of incorrect phase sequence, totaland partial phase loss. Supply range from 208 to 480 VAC. For mountingon DIN- rail. Housing17.5 mmwide, SPDT relay output,suitable for back and front panel mounting.Thedevice detectsregenerated voltage up to 85% of the nominal voltage (phase-phase). Housing Function Type Item number Output Power supply Type Selection Mounting OutputSupply: 208 to 480 VAC DIN-railSPDTDPA 51 C M44 InputSpecifications Input L1, L2, L3Terminals L1, L2, L3 Measures its own supply Measuring range 208 to 480 VAC 177 to 550 VAC ON-level > 85% of the phase- phase voltage Supply Specifications Output Specifications OutputSPDT relay, 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) Power supplyOvervoltage cat. III Rated operational voltage (IEC 60664, IEC 60038) through terminals: L1, L2, L3 Rated impulse withstand volt. 4 kV (1.2/50 µs) 208 to 480 VAC ± 15%, 45 to 65 Hz Rated operational power 13 VA @ 400 VAC, 50 Hz Supplied by L2 and L3 Specifications are subject to change without notice (20.06.14)1
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