Monitoring Relays True RMS 3-Phase 3-Phase+N Multi-function Type DPB71
Contents
1. 100 g Screw terminals Tightening torque Max 0 5 Nm according to IEC 60947 Approvals UL CSA CE Marking Yes EMC Electromagnetic Compatibility Immunity According to EN 61000 6 2 Emissions According to EN 61000 6 3 Only 200 ms delay occurs The failure is indicated by the red LED flashing 5 Hz during the alarm condition Example 1 mains network monitoring The relay monitors over and under voltage phase loss and correct phase sequence Function Range Level and Time Delay Setting Adjust the input range set ting the DIP switches 3 and 4 as shown below Select the desired function setting the DIP switches 1 and 2 as shown below To access the DIP swiches open the grey plastic cover as shown below Selection of level and time delay Upper knob Setting of lower level on rel ative scale Centre knob Setting of upper level on rel ative scale Lower knob Setting of delay on alarm time on absolute scale 0 1 to 30 s L No ve c Example 2 load monitoring The relay releases in case of interruption of one or more phases when one or more voltages drop below the low er set level or exceed the upper set level Power ON delay ON 6s 05s OFF 15 0 5s Monitored voltage ON Phase Neutral OFF Phase Phase Measuring range SW3 ON ON OFF OFF SW4 ON OFF ON OFF M23 Ph Ph 208 VAC 220 VAC 230 VAC 240 V2. AC Voltage M48 Ph Ph 380 VAC 400 VAC 415 VAC 480 VAC Voltage M48 Ph N 220 VAC 230 VAC 240 VAC 277 VAC Voltage DPB71 Wiring Diagrams Example 1 Example 2 Lower Level L3 or L1 L3 Relay ON por s Red LEDON noes L1 Li L2 L1 L2 L3 L1 L2 L3 L2 L3 L3 Relay ON Red LED ON Mma AN AI Dimensions 35 5 67 2 M TA BOBODO ee 0 o 2 0
3. Monitoring Relays True RMS 3 Phase 3 Phase N Multi function Type DPB71 TRMS 3 phase over and under voltage phase sequence and phase loss monitoring relay Detects when all 3 phases are present and have the correct phase sequence Detects if all the 3 phase phase or phase neutral volt ages are within the set limits PPA ppp tee eee f M Zi Pag oe Product Description 3 phase or 3 phase neutral line voltage monitoring relay for phase sequence phase loss over and under voltage separately adjustable set points with built in time delay function Type Selection Mounting DIN rail Supply ranges from 208 to 480 VAC covered by two multivoltage relays 35 5 mm wide housing suit able both for back and front panel mounting Output SPDT Input Specifications Input L1 L2 L3 N Note Connect the neutral only if it is intrinsically at the star centre Terminals L1 L2 L3 N Measure on own supply Measuring ranges 208 to 240 AVAC 177 to 275 A VAC 380 to 480 A VAC 323 to 550 A VAC Ranges Upper level 2 to 22 of the nominal voltage Lower level 22 to 2 Note The input voltage must not exceed the maximum rated voltage or drop below the minumum rated voltage reported above of the nominal voltage Hysteresis Set points from 2 to 4 Set points from 4 to 22 1 2 Upper and lower limits separately adjustable Measures on own power supply e Selection of measuri
4. N delay 1s 05sor6s 0 5s Reaction time Incorrect phase sequence or total phase loss Voltage level Alarm ON delay Alarm OFF delay Mode of Operation Connected to the 3 phases and neutral DPB71 oper ates when all 3 phases are present at the same time the phase sequence is correct and the phase phase or phase neutral voltage levels are within set limits If one or more phase phase lt 200 ms input signal variation from 20 to 20 or from 20 to 20 of set value lt 200 ms delay lt 0 1 s lt 200 ms delay lt 0 1 s or phase neutral voltages exceeds the upper set level or drops below the lower set level the red LED starts flashing 2 Hz and the output relay releases after the set time period If the phase sequence is wrong or one phase is lost the output relay releases immediately p SHAHN FUCIH N ELECTRIC PGM PMENT As A PR Z m LYB General Specifications cont Accuracy Temperature drift Delay ON alarm Repeatability 15 min warm up time 1000 ppm C 10 on set value 50 ms 0 5 on full scale Indication for Power supply ON Alarm ON LED green LED red flashing 2 Hz during delay time Output relay ON LED yellow Environment Degree of protection IP 20 Pollution degree 3 Operating temperature Storage temperature Housing dimensions 20 to 60 C R H lt 95 30 to 80 C R H lt 95 35 5 x 81 x 67 2 mm Weight Approx
5. ng range by DIP switches e Adjustable voltage on relative scale e Adjustable delay function 0 1 to 30 s e Output 5 A SPDT relay N E e For mounting on DIN rail in accordance with DIN EN 50 022 e 35 5 mm DIN rail housing e LED indication for relay alarm and power supply ON Ordering Key DPB 71 C M23 Housing Function Type Item number Output Power supply Supply 208 to 240 VAC DPB 71 C M23 Supply 380 to 480 VAC DPB 71 C M48 Output Specifications Output SPDT relay Rated insulation voltage 250 VAC Contact ratings AgSnO H Resistive loads AC1 5A 250 VAC DC12 5A 24VDC Small inductive loads AC 15 25A 250 VAC DC 13 25A 24 VDC Mechanical life gt 30 x 10 operations Electrical life gt 10 operations at 5 A 250 V cos 1 Operating frequency lt 7200 operations h Dielectric strength Dielectric voltage Rated impulse withstand volt 2 kVAC rms 4 kV 1 2 50 us DPB71 Supply Specifications Power supply Rated operational voltage through terminals M23 Delta Voltage M48 Delta Voltage M48 Star Voltage Overvoltage cat III IEC 60664 IEC 60038 L1 L2 L3 N 208 to 240 VAC 15 45 to 65 Hz 380 to 480 VAC 15 45 to 65 Hz 220 to 277 VAC 15 45 to 65 Hz Rated operational power DPB71CM23 DPB71CM48 13 VA 230 AVAC 50 Hz 13 VA 400 AVAC 50 Hz Supplied by L1 and L3 General Specifications Power O
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