Monitoring Relays 1-Phase True RMS AC Over/Under Voltage Types DUB02, PUB02 TRMS AC over/under voltage monitoring relays Measuring if power supply is within set limits Measure their own power supply Measuring ranges: 24, 115, 230 VAC Power ON delay 1 or 6 s selectable by DIP-switch Separately adjustable upper/lower level on relative scale Adjustable delay on alarm or on recovery (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 (DUB02) or plug-in module (PUB02) 22.5 mm Euronorm housing (DUB02) DUB02 PUB02 or 36 mm plug-in module (PUB02) LED indication for relay, alarm and power supply ON Product Description Ordering Key DUB 02 C T23 DUB02 and PUB02 are pre- even after the end of the Housing cise TRMS AC window volt- alarm condition. Inhibit func- Function age monitoring relays. tion can be used to avoid Type The relays monitor their own relay operation when not Item number power supply which is select- desired (maintenance, transi- Output able by DIP-switch (24, 115 or tions). Power supply 230 VAC). The LED s indicate the state The advantage of using the of the alarm and the output latch function is that the relay. relay can be kept energized Type Selection Mounting Output Supply: 24, 115, 230 VAC DIN-rail SPDT DUB 02 C T23 Plug-in SPDT PUB 02 C T23 Input Specifications Output Specifications Input (voltage level) Output SPDT relay DUB02 Terminals A1, A2 Rated insulation voltage 250 VAC PUB02 Terminals 2, 10 Contact ratings (AgSnO) 2 Measure their own power Resistive loads AC 1 8 A 250 VAC supply DC 12 5 A 24 VDC Measuring ranges Small inductive loads AC 15 2.5 A 250 VAC Direct Upper level Lower level DC 13 2.5 A 24 VDC Selectable by DIP-switch -5% to +20% -20% to +5% 6 Mechanical life 30 x 10 operations 24 VAC 22.8 to 28.8 V 19.2 to 25.2 V 5 Electrical life 10 operations 115 VAC 109 to 138 V 92 to 121 V (at 8 A, 250 V, cos = 1) 230 VAC 218 to 275 V 184 to 242 V Operating frequency 7200 operations/h Contact input Dielectric strength DUB02 Terminals Z1, Z2 Dielectric voltage 2 kVAC (rms) PUB02 Terminals 8, 9 Rated impulse withstand volt. 4 kV (1.2/50 s) Disabled > 10 k Enabled < 500 Pulse width > 500 ms Hysteresis ~ 2% of set value - fixed Specifications are subject to change without notice (09.06.10) 1DUB02, PUB02 Supply Specifications General Specifications Power supply Overvoltage cat. III Power ON delay 1 s 0.5 s or 6 s 0.5 s Rated operational voltage (IEC 60664, IEC 60038) Reaction time (input signal variation from through terminals: -20% to +20% or from A1 and A2 (DUB02) or 24 VAC 20%, +20% to -20% of set value) 2 and 10 (PUB02) 115 VAC 20% or Alarm ON delay < 200 ms 230 VAC 20% Alarm OFF delay < 200 ms Voltage interruption 40 ms Accuracy (15 min warm-up time) Dielectric voltage None Temperature drift 1000 ppm/C Dielectric voltage Delay ON alarm 10% on set value 50 ms Supply to output 4 kV Repeatability 0.5% on full-scale Rated operational power 4 VA Indication for Power supply ON LED, green Alarm ON LED, red (flashing 2 Hz during delay time) Output relay ON LED, yellow Environment Degree of protection IP 20 Pollution degree 3 (DUB02), 2 (PUB02) Operating temperature -20 to 60C, R.H. < 95% Storage temperature -30 to 80C, R.H. < 95% Housing Dimensions DUB02 22.5 x 80 x 99.5 mm PUB02 36 x 80 x 94 mm Material PA66 or Noryl Weight Approx. 150 g Screw terminals Tightening torque Max. 0.5 Nm acc. to IEC 60947 Product standard EN 60255-6 Approvals UL, CSA CE Marking L.V. Directive 2006/95/EC EMC Directive 2004/108/EC EMC Immunity According to EN 60255-26 According to EN 61000-6-2 Emissions According to EN 60255-26 According to EN 61000-6-3 Mode of Operation DUB02 and PUB02 monitor exceeds the upper set level the upper and lower limits. Z2 or 8, 9 are interrupted. the TRMS value of their own or drops below the lower set The relay releases and latch- The red LED flashes until the power supply. level. The red LED flashes es in alarm position as soon delay time has expired or until the delay time has as the measured voltage the measured value falls off Example 1 expired or the measured val- exceeds the upper set level the limits. (no connection between ter- ue falls off the limits. or drops below the lower set minals Z1, Z2 or 8, 9 - Delay level. Provided that the volt- ON alarm - N.E. relay) Example 2 age has dropped below the The relay operates and the (connection between termi- upper set level (minus hys- yellow LED is ON as long as nals Z1, Z2 or 8, 9 - latching teresis) or exceeded the the measured value is within function enabled - delay on lower set level (plus hystere- the upper and lower limits. recovery - N.E. relay) sis) for more than the set The relay releases after the The relay operates and the delay time, the relay oper- adjustable time delay when yellow LED is ON as long as ates when the interconnec- the measured voltage the measured value is within tions between terminals Z1, 2 Specifications are subject to change without notice (09.06.10)