Monitoring Relays 1-Phase True RMS AC/DC Over or Under Voltage Types 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 DUB03 PUB03 Product Description Ordering Key DUB 03 C W24 DUB03 and PUB03 are pre- maintained. Inhibit function Housing cise TRMS AC/DC over or can be used to avoid relay Function under voltage (selectable by operation when not desired Type DIP-switch) monitoring (maintenance, transitions). Item number relays. The LED s indicate the state Output Owing to the built-in latch of the alarm and the output Power supply function, the ON-position of relay. the relay output can be Type Selection Mounting Output Frequency Supply: 12 to 240V AC/DC DIN-rail SPDT 50 - 400 Hz DUB 03 C W24 Plug-in SPDT 50 - 400 Hz PUB 03 C W24 Input Specifications Output Specifications Input (voltage level) Output SPDT relay DUB03 Terminals A1, A2 Rated insulation voltage 250 VAC PUB03 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 Level DC 13 2.5 A 24 VDC Selectable by DIP-switch 6 Mechanical life 30 x 10 operations 24 VAC/DC 10 to 26 V 50 to 110% 5 Electrical life 10 operations 48 VAC/DC 10 to 53 V 20 to 110% (at 8 A, 250 V, cos = 1) 115 VAC/DC 12 to 127 V 10 to 110% Operating frequency 7200 operations/h 240 VAC/DC 24 to 264 V 10 to 110% Dielectric strength The input voltage cannot Dielectric voltage 2 kVAC (rms) raise over 300 VAC/DC Rated impulse withstand volt. 4 kV (1.2/50 s) with respect to ground (PUB03 only) Supply Specifications Power supply Overvoltage cat. III Rated operational voltage (IEC 60664, IEC 60038) through terminals: A1 and A2 (DUB03) or 12 to 240 V AC/DC 2 and 10 (PUB03) +10% -15% 45 to 440 Hz Dielectric voltage None Rated operational power 4 VA (AC) 1.5W (DC) Specifications are subject to change without notice (09.06.10) 1DUB03, PUB03 General Specifications Power ON delay 1 s 0.5 s or 6 s 0.5 s Housing Dimensions DUB03 22.5 x 80 x 99.5 mm Reaction time (input signal variation from PUB03 36 x 80 x 94 mm -20% to +20% or from Material PA66 or Noryl +20% to -20% of set value) Alarm ON delay < 100 ms Weight Approx. 150 g Alarm OFF delay < 100 ms Screw terminals Accuracy (15 min warm-up time) Tightening torque Max. 0.5 Nm Temperature drift 1000 ppm/C acc. to IEC 60947 Delay ON alarm 10% on set value 50 ms Product standard EN 60255-6 Repeatability 0.5% on full-scale Approvals UL, CSA Indication for CE Marking L.V. Directive 2006/95/EC Power supply ON LED, green EMC Directive 2004/108/EC Alarm ON LED, red (flashing 2 Hz EMC during delay time) Immunity According to EN 60255-26 Output relay ON LED, yellow According to EN 61000-6-2 Environment Emissions According to EN 60255-26 Degree of protection IP 20 According to EN 61000-6-3 Pollution degree 3 (DUB03), 2 (PUB03) Operating temperature -20 to 60C, R.H. < 95% Storage temperature -30 to 80C, R.H. < 95% Mode of Operation DUB03 and PUB03 monitor It releases when the voltage Example 2 The red LED flashes until the both AC and DC over or drops below (or exceeds) the (latch function enabled, NE delay time has expired or the under voltage. set level (see hysteresis set- relay) measured value has dropped ting), or when power supply is below the set point (see hys- Example 1 interrupted. The relay operates and latch- teresis setting). (latch function disabled, ND es in operating position when relay) Note the measured value exceeds If the voltage drops below the (or drops below) the set level The relay operates when the minimum power supply volt- for more than the set delay measured value exceeds (or age and the relay is set for time. drops below) the set level for undervoltage the output con- The relay releases when more than the set delay time. tact isnt necessarily ON. power supply is interrupted. Function/Range/Level and Time Delay Setting Adjust the input range set- Selection of level and time Measuring range ting the DIP switches 1 and delay: ON OFF 24 V 2 as shown below. OFF OFF 48 V Upper knob: Select the desired function Setting of hysteresis on rela- ON ON 115 V setting the DIP switches 3 to tive scale: 0 to 30% on set OFF ON 240 V 6 as shown below. value. Relay working mode To access the DIP switches Centre knob: ON: Normally De-Energized open the grey plastic cover Voltage level setting on rela- OFF: Normally Energized as shown below. tive scale: 10 to 110% on full scale. Power ON delay ON: 6 s 0.5 s Lower knob: OFF: 1 s 0.5 s Setting of delay on alarm time on absolute scale (0.1 Contact input to 30 s). ON: Latching OFF: Not latching Monitoring function ON: Over voltage OFF: Under voltage 2 Specifications are subject to change without notice (09.06.10)