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Monitoring Relays True RMS 3-Phase, Phase Sequence/Loss - Asymmetry Types DPB02, PPB02
* TRMS 3-phase phase sequence, phase loss and asymmetry monitoring relays * Detect when all 3 phases are present and have the correct sequence * Detect if asymmetry level is below the set value * Measure on own power supply * Selection of measuring range by DIP-switches * Adjustable asymmetry on relative scale * Adjustable delay function (0.1 to 30 s) * Output: 8 A relay SPDT N.E. * For mounting on DIN-rail in accordance with DIN/EN 50 022 (DPB02) or plug-in module (PPB02) * 22.5 mm Euronorm housing (DPB02) or 36 mm plug-in module (PPB02) * LED indication for relay, alarm and power supply ON
DPB02
PPB02
Product Description
3-phase or 3-phase+neutral line voltage monitoring relay for phase sequence, phase loss and asymmetry with built-in time delay function. Supply ranges from 208 to 480 VAC covered by two multi voltage relays.
Ordering Key
Housing Function Type Item number Output Power supply
DPB 02 C M23
Type Selection
Mounting DIN-rail Plug-in Output SPDT SPDT Supply: 208 to 240 VAC DPB 02 C M23 PPB 02 C M23 Supply: 380 to 415 VAC PPB 02 C M48 Supply: 380 to 480 VAC DPB 02 C M48
Input Specifications
Input L1, L2, L3, N DPB02: Terminals L1, L2, L3, N PPB02: Terminals 5, 6, 7, 11 Measure on own supply
Output Specifications
Output Rated insulation voltage Contact ratings (AgSnO2) Resistive loads AC 1 DC 12 Small inductive loads AC 15 DC 13 Mechanical life Electrical life SPDT relay 250 VAC 8 A @ 250 VAC 5 A @ 24 VDC 2.5 A @ 250 VAC 2.5 A @ 24 VDC 30 x 106 operations 105 operations (at 8 A, 250 V, cos = 1) 7200 operations/h
Note: Connect the neutral only if it is intrinsically at the star centre Measuring ranges 208 to 240 VAC 380 to 480 VAC (DPB02CM48) 380 to 415 VAC (PPB02CM48) Ranges Asymmetry
177 to 275 VAC 323 to 550 VAC 323 to 475 VAC 2 to 22% of the nominal voltage
Operating frequency Dielectric strength 2 kVAC (rms) Dielectric voltage Rated impulse withstand volt. 4 kV (1.2/50 s)
o Note: The input voltage must not exceed the maximum rated voltage or drop below the minumum rated voltage reported above.
Specifications are subject to change without notice (18.07.06)
1
DPB02, PPB02
Supply Specifications
Power supply Rated operational voltage through terminals: L1, L2, L3, N (DPB02) (PPB02) 5, 6, 7, 11 M23 - Delta Voltage: Overvoltage cat. III (IEC 60664, IEC 60038)
General Specifications
Power ON delay Reaction time Incorrect phase sequence or total phase loss Asymmetry Alarm ON delay Alarm OFF delay Accuracy Temperature drift Delay ON alarm Repeatability Indication for Power supply ON Alarm ON Output relay ON Environment Degree of protection Pollution degree Operating temperature @ Max. voltage, 50 Hz @ Max. voltage, 60 Hz Storage temperature Housing Dimensions DPB02 PPB02 Weight Screw terminals Tightening torque Approvals CE marking EMC Immunity Emissions 1 s 0.5 s or 6 s 0.5 s
< 200 ms < 200 ms (delay < 0.1 s) < 200 ms (delay < 0.1 s) (15 min warm-up time) 1000 ppm/C 10% on set value 50 ms 0.5% on full-scale LED, green LED, red (flashing 2 Hz during delay time) LED, yellow IP 20 3 (DPB02), 2 (PPB02) -20 to 60C, R.H. < 95% -20 to 50C, R.H. < 95% -30 to 80C, R.H. < 95% 22.5 x 80 x 99.5 mm 36 x 80 x 94 mm Approx. 120 g Max. 0.5 Nm acc. to IEC 60947 UL, CSA Yes Electromagnetic Compatibility According to EN 61000-6-2 According to EN 61000-6-3
208 to 240 VAC 15% 45 to 65 Hz M48 (DIN-rail) - Delta Voltage: 380 to 480 VAC 15% 45 to 65 Hz M48 (DIN-rail) - Star Voltage: 220 to 277 VAC 15% 45 to 65 Hz M48 (Plug-in) - Delta Voltage: 380 to 415 VAC 15% 45 to 65 Hz M48 (Plug-in) - Star Voltage: 220 to 240 VAC 15% 45 to 65 Hz Rated operational power DPB02CM23, PPB02CM23 13 VA @ 230 VAC, 50 Hz 13 VA @ 400 VAC, 50 Hz DPB02CM48, PPB02CM48 Supplied by L1 and L2
Mode of Operation
Connected with the 3 phases (and neutral) DPB02 and PPB02 operate when all 3 phases are present at the same time, the phase sequence is correct and the asymmetry is under the set level. Asymmetry is defined as follows:
max{|Vph-ph|} nom. voltage max{|Vph-n|} nom. voltage
red LED flashing 5 Hz after the alarm condition occurs. Example 1 (mains network monitoring) The relay monitors asymmetry, phase loss and correct phase sequence.
Example 2 (load monitoring) The relay releases in case of interruption of one or more phases or when the asymmetry exceeds the set level.
when measuring phase-neutral voltages. If the asymmetry exceeds the set level the red LED starts flashing 2 Hz and the output relay releases after the set time period. If the phase sequence is incorrect or one phase is lost, the output relay releases immediately. Only 200 ms delay occurs. The failure is indicated by the
when measuring phasephase voltages and also as follows:
2
Specifications are subject to change without notice (18.07.06)
DPB02, PPB02
Function/Range/Level and Time Delay Setting
Adjust the input range setting 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 asymmetry and time delay: Centre knob: Setting of asymmetry on relative scale. Power ON delay ON: 6 s 0.5 s OFF: 1 s 0.5 s Monitored voltage ON: Phase-Neutral OFF: Phase-Phase Measuring range ON ON OFF OFF SW3 SW4 ON OFF ON OFF M23 Ph-Ph 208 VAC 220 VAC 230 VAC 240 VAC Voltage M48 Ph-Ph 380 VAC 400 VAC 415 VAC 480 VAC Voltage DPB02 only M48 Ph-N 220 VAC 230 VAC 240 VAC 277 VAC Voltage DPB02 only Lower knob: Setting of delay on alarm time on absolute scale (0.1 to 30 s).
Operation Diagrams
Specifications are subject to change without notice (18.07.06)
3
DPB02, PPB02
Wiring Diagrams
DPB02
PPB02
Dimensions
DIN-rail
22.5
Plug-in
94
99.5
36
90
83.5
80
63
28.5
80
28.5
4
Specifications are subject to change without notice (18.07.06)
63

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