MONITORED VARIABLE 3-phase AC voltage and frequency monitoring Others SIZE 45 mm POWER SUPPLY RANGE 440÷480 VAC MONITORING FUNCTION Under and over voltage/frequency, phase sequence, phase loss MOUTING DIN-rail INPUT RANGE 440÷480 VAC DELAY 2, adjustable OTHERS VLN monitoring
Monitoring Relays TrueRMS 3-Phase, 3-Phase+N, Multifunction TypeDPC02 • 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 keyDPC 02 D M48 3-phase or 3-phase+neutral line voltage monitoring relays forphase sequence, phase loss, over and under voltage (separately adjustableset points), over and under frequency with built-in time delay function. Supply ranges from208 to 690 VAC covered by four multivoltage relays. The main application is for gen- erator sets. Housing Function Type Item number Output Power Supply TypeSelection Mounting DIN-rail Output 2 x SPDT Supply: 208 to 240 VAC DPC 02 D M23 Supply: 380 to 415 VAC DPC 02 D M48 Supply: 440 to 480 VAC DPC 02 D M49 Supply: 600 to 690 VAC DPC 02 D M69 InputSpecifications Input L1, L2, L3, NDPC02: Terminals L1, L2, L3, N Measures its own supply Note: Connect the neutral only if it is intrinsically at the star centre Measuring ranges (voltage) M23177 to 275 ∆VAC M48323 to 475 ∆VAC M49374 to 552 ∆VAC M69510 to 793 ∆VAC Measuring ranges (frequency) Upper level Lower level Selectable by DIP-switches 2 Hz range+0.2 to +2.2 Hz -2.2 to -0.2 Hz 50 Hz 50.2 to 52.2 Hz47.8 to 49.8 Hz 60 Hz 60.2 to 62.2 Hz57.8 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 Hz33.5 to 48.5 Hz 60 Hz 61.5 to 76.5 Hz43.5 to 58.5 Hz Ranges Upper voltage level+2 to +22% of the nominal voltage Lower voltage level-22 to -2% of the nominal voltage Frequency window 10 to 110% of the selected range Hysteresis (frequency) 2 Hz range~ 0.05 Hz 15 Hz range~ 0.25 Hz Note: The input voltage must not exceed the maxi- mum rated voltage or drop belowthe minumum rated voltage reported above. Specifications are subject to change without notice (12.05.10)1
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