Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIABLE 1-phase AC/DC voltage monitoring Others SIZE 22,5 mm POWER SUPPLY RANGE 12÷240 VAC/DC MONITORING FUNCTION Over or under voltage MOUTING DIN-rail INPUT RANGE 12÷240 VAC/DC DELAY 1, adjustable
Monitoring Relays 1-Phase True RMS AC/DCOver or Under Voltage Types DUB03, PUB03 DUB03 PUB03 • TRMS AC/DC over or under voltage monitoring relays • Selection of measuring range by DIP-switches • Adjustable voltage on relative scale • Adjustable hysteresis on relative scale • Adjustable delay function (0.1 to 30 s) • Programmable latching or inhibit at set level • Output: 8 A SPDT relay N.D. or N.E. selectable • For mounting on DIN-rail in accordance with DIN/EN 50 022 (DUB03) or plug-in module (PUB03) • 22.5 mm Euronorm housing (DUB03) or 36 mm plug-in module (PUB03) • LED indication for relay, alarm and power supply ON Product DescriptionOrdering Key DUB 03 C W24 DUB03 and PUB03 are pre- ciseTRMS AC/DCoveror under voltage (selectable by DIP-switch) monitoring relays. Owing to the built-in latch function, the ON-position of the relay output can be maintained.Inhibitfunction can be used to avoid relay operation when notdesired (maintenance, transitions). The LED's indicate the state of the alarm and the output relay. Housing Function Type Item number Output Power supply Type Selection MountingOutputFrequencySupply: 12 to 240V AC/DC DIN-railSPDT 50 - 400 Hz DUB 03 C W24 Plug-in SPDT 50 - 400 Hz PUB 03 C W24 InputSpecifications Input (voltage level) DUB03Terminals A1, A2 PUB03Terminals 2, 10 Measure their own power supply Measuring ranges DirectLevel Selectable by DIP-switch 24 VAC/DC10 to 26 V 50 to 110% 48 VAC/DC10 to 53 V 20 to 110% 115 VAC/DC12 to 127 V 10 to 110% 240 VAC/DC24 to 264 V 10 to 110% The input voltage cannot raise over 300 VAC/DC with respect to ground (PUB03 only) Output Specifications 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 voltage≥ 2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 µs) Supply Specifications Power supplyOvervoltage cat. III Rated operational voltage(IEC 60664, IEC 60038) through terminals: A1 and A2 (DUB03) or12 to 240 V AC/DC 2 and 10 (PUB03) +10% -15% 45 to 440 Hz Dielectric voltageNone Rated operational power 4 VA (AC) 1.5W (DC) Specifications are subject to change without notice (09.06.10)1
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