Monitoring Relays True RMS 3-Phase, 3-Phase+N, Multifunction Type DPC02 TRMS 3-phase over and under voltage, over and under frequency, phase sequence and phase loss monitoring relay Detect when all 3 phases are present and have the correct sequence Detect if all the 3-phase-phase or phase-neutral voltages are within the set limits Detect if the system frequency is between the set limits Separately adjustable setpoints Separately adjustable delay functions (0.1 to 30 s) Output: 2 x 8 A relay SPDT For mounting on DIN-rail in accordance with DIN/EN 50 022 45 mm Euronorm housing LED indication for relays, alarm and power supply ON Product Description Ordering key DPC 02 D M48 3-phase or 3-phase+neutral Supply ranges from 208 to Housing line voltage monitoring 690 VAC covered by four Function relays for phase sequence, multivoltage relays. The Type phase loss, over and under main application is for gen- Item number voltage (separately erator sets. Output adjustable set points), over Power Supply and under frequency with built-in time delay function. Type Selection Mounting Output Supply: Supply: Supply: Supply: 208 to 240 VAC 380 to 415 VAC 440 to 480 VAC 600 to 690 VAC DIN-rail 2 x SPDT DPC 02 D M23 DPC 02 D M48 DPC 02 D M49 DPC 02 D M69 Input Specifications Input Ranges L1, L2, L3, N DPC02: Terminals L1, L2, L3, N Upper voltage level +2 to +22% Measures its own supply of the nominal voltage Lower voltage level -22 to -2% Note: Connect the neutral only of the nominal voltage if it is intrinsically at the star Frequency window 10 to 110% centre of the selected range Measuring ranges (voltage) Hysteresis (frequency) M23 177 to 275 VAC 2 Hz range ~ 0.05 Hz M48 323 to 475 VAC 15 Hz range ~ 0.25 Hz M49 374 to 552 VAC M69 510 to 793 VAC Note: The input voltage Measuring ranges (frequency) Upper level Lower level must not exceed the maxi- Selectable by DIP-switches mum rated voltage or drop 2 Hz range +0.2 to +2.2 Hz -2.2 to -0.2 Hz below the minumum rated 50 Hz 50.2 to 52.2 Hz 47.8 to 49.8 Hz voltage reported above. 60 Hz 60.2 to 62.2 Hz 57.8 to 59.8 Hz 15 Hz range +1.5 to +16.5 Hz -16.5 to -1.5 Hz 50 Hz 51.5 to 66.5 Hz 33.5 to 48.5 Hz 60 Hz 61.5 to 76.5 Hz 43.5 to 58.5 Hz Specifications are subject to change without notice (12.05.10) 1DPC02 Output Specifications General Specifications Output 2 x SPDT relays N.E. Power ON delay 1 s 0.5 s Rated insulation voltage 250 VAC Accuracy (15 min warm-up time) Contact ratings (AgSnO) Temperature drift 1000 ppm/C 2 Resistive loads AC 1 8 A 250 VAC Delay ON alarm 10% on set value 50 ms DC 12 5 A 24 VDC Repeatability 0.5% on full-scale Small inductive loads AC 15 2.5 A 250 VAC Reaction time DC 13 2.5 A 24 VDC Incorrect phase sequence 6 Mechanical life 30 x 10 operations or total phase loss < 200 ms 5 Voltage level (input signal variation from Electrical life 10 operations -20% to +20% or from (at 8 A, 250 V, cos = 1) +20% to -20% of set value) Operating frequency 7200 operations/h Frequency level Dielectric strength Alarm ON delay: < 200 ms (delay < 0.1 s) Dielectric voltage 2 kVAC (rms) Alarm OFF delay: < 200 ms (delay < 0.1 s) Rated impulse withstand volt. 4 kV (1.2/50 s) Indication for Power supply ON LED, green Alarm ON LED, red (flashing 2 Hz during delay time) Supply Specifications Output relays ON 2 x LED, yellow Environment (EN 60529) Power supply Overvoltage cat. III Degree of protection IP 20 Rated operational voltage (IEC 60664, IEC 60038) Pollution degree 3 through terminals: L1, L2, L3, N Operating temperature M23 - Delta Voltage: 208 to 240 VAC 15% 8A output -20 to +50C, R.H. < 95% 45 to 65 Hz 5A output -20 to +60C, R.H. < 95% M48 - Delta Voltage: 380 to 415 VAC 15% Storage temperature -30 to 80C, R.H. < 95% 45 to 65 Hz M48 - Star Voltage: 220 to 240 VAC 15% Housing 45 to 65 Hz Dimensions 45 x 80 x 99.5 mm M49 - Delta Voltage: 440 to 480 VAC 15% Materila PA66 or Noryl 45 to 65 Hz Weight Approx. 220 g M49 - Star Voltage 254 to 277 VAC 15% Screw terminals 45 to 65 Hz Tightening torque Max. 0.5 Nm M69 - Delta Voltage: 600 to 690 VAC 15% acc. to IEC 60947 45 to 65 Hz M69 - Star Voltage: 347 to 400 VAC 15% Product standard EN 60255-6 45 to 65 Hz Approvals UL, CSA Rated operational power 8 VA, 50/60 Hz CE Marking L.V. Directive 2006/95/EC Supplied by L2 and L3 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 Connected to the 3 phases releases after the set time Example 1 Example 2 (and neutral) DPC02 operates period. If the mains frequen- (Generator monitoring - (Mains monitoring - DPDT when all 3 phases are present cy gets out of the symmetri- 2xSPDT relays - phase- relay) at the same time and the cal window across the nomi- phase voltage) DPC02 monitors phase loss phase sequence is correct. nal frequency the red LED The relay monitors phase and correct phase starts flashing 2 Hz and the loss and correct phase sequence, over and under Voltage and frequency respective output relay sequence, over and under voltage and the frequency. level monitoring: releases after the set time voltage and the frequency of Every failure is detected if one or more phase-phase period. the system. A voltage failure through relays 1 and 2 at the or phase-neutral voltage is detected through relay 1 same time to allow indepen- exceed the upper set level or and a frequency failure is dent operations. drop below the lower set detected through relay 2. level, the red LED starts flashing 2 Hz and the respective output relay 2 Specifications are subject to change without notice (12.05.10)