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 their 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)
DPB02 PPB02
or 36 mm plug-in module (PPB02)
LED indication for relay, alarm and power supply ON
Product Description Ordering Key
DPB 02 C M23
3-phase or 3-phase+neutral Supply ranges from 208 to Housing
line voltage monitoring relay 480 VAC covered by two Function
for phase sequence, phase multi voltage relays. Type
loss and asymmetry with Item number
built-in time delay function. Output
Power supply
Type Selection
Mounting Output Supply: 208 to 240 VAC Supply: 380 to 415 VAC Supply: 380 to 480 VAC
DIN-rail SPDT DPB 02 C M23 DPB 02 C M48
Plug-in SPDT PPB 02 C M23 PPB 02 C M48
Input Specifications Output Specifications
Input Output SPDT relay
L1, L2, L3, N DPB02: Terminals L1, L2, L3, N Rated insulation voltage 250 VAC
PPB02: Terminals 5, 6, 7, 11
Contact ratings (AgSnO )
2
Measure their own supply
Resistive loads AC 1 8 A @ 250 VAC
Note: Connect the neutral only DC 12 5 A @ 24 VDC
if it is intrinsically at the star Small inductive loads AC 15 2.5 A @ 250 VAC
centre DC 13 2.5 A @ 24 VDC
6
Measuring ranges Mechanical life 30 x 10 operations
208 to 240 VAC 177 to 275 VAC 5
Electrical life 10 operations
380 to 480 VAC (DPB02CM48) 323 to 550 VAC
(at 8 A, 250 V, cos = 1)
380 to 415 VAC (PPB02CM48) 323 to 475 VAC
Operating frequency 7200 operations/h
Ranges
Dielectric strength
Asymmetry 2 to 22%
Dielectric voltage 2 kVAC (rms)
of the nominal voltage
Rated impulse withstand volt. 4 kV (1.2/50 s)
Note: The input voltage
must not exceed the maxi-
mum rated voltage or drop
below the minumum rated
voltage reported above.
Specifications are subject to change without notice (31.03.10) 1DPB02, PPB02
Supply Specifications General Specifications
Power supply Overvoltage cat. III Power ON delay 1 s 0.5 s or 6 s 0.5 s
Rated operational voltage (IEC 60664, IEC 60038)
Reaction time
through terminals:
Incorrect phase sequence or
L1, L2, L3, N (DPB02)
total phase loss < 200 ms
5, 6, 7, 11 (PPB02)
Asymmetry
M23 - Delta Voltage: 208 to 240 VAC 15%
Alarm ON delay < 200 ms (delay < 0.1 s)
45 to 65 Hz
Alarm OFF delay < 200 ms (delay < 0.1 s)
M48 (DIN-rail) - Delta Voltage: 380 to 480 VAC 15%
Accuracy (15 min warm-up time)
45 to 65 Hz
Temperature drift 1000 ppm/C
M48 (DIN-rail) - Star Voltage: 220 to 277 VAC 15%
Delay ON alarm 10% on set value 50 ms
45 to 65 Hz
Repeatability 0.5% on full-scale
M48 (Plug-in) - Delta Voltage: 380 to 415 VAC 15%
Indication for
45 to 65 Hz
Power supply ON LED, green
M48 (Plug-in) - Star Voltage: 220 to 240 VAC 15%
Alarm ON LED, red (flashing 2 Hz
45 to 65 Hz
during delay time)
Rated operational power
Output relay ON LED, yellow
DPB02CM23, PPB02CM23 13 VA @ 230 VAC, 50 Hz
Environment
DPB02CM48, PPB02CM48 13 VA @ 400 VAC, 50 Hz
Degree of protection IP 20
Supplied by L1 and L2
Pollution degree 3 (DPB02), 2 (PPB02)
Operating temperature
@ Max. voltage, 50 Hz -20 to 60C, R.H. < 95%
@ Max. voltage, 60 Hz -20 to 50C, R.H. < 95%
Storage temperature -30 to 80C, R.H. < 95%
Housing
Dimensions DPB02 22.5 x 80 x 99.5 mm
PPB02 36 x 80 x 94 mm
Material PA66 or Noryl
Weight Approx. 120 g
Screw terminals
Tightening torque Max. 0.5 Nm
acc. to IEC 60947
Product standard EN 60947-5-1
Approvals UL, CSA
CCC (GB14048.5) only DPB
CE Marking L.V. Directive 2006/95/EC
EMC Directive 2004/108/EC
EMC
Immunity According to EN 61000-6-2
Emissions According to EN 61000-6-3
Mode of Operation
Connected with the 3 phas- red LED flashing 5 Hz after Example 2
max{|Vph-n|}
es (and neutral) DPB02 and the alarm condition occurs. (load monitoring)
nom. voltage
PPB02 operate when all 3
phases are present at the when measuring phase-neu- The relay releases in case of
same time, the phase tral voltages. Example 1 interruption of one or more
sequence is correct and the (mains network monitoring) phases or when the asym-
asymmetry is under the set If the asymmetry exceeds metry exceeds the set level.
level. the set level the red LED The relay monitors asymme-
Asymmetry is defined as fol- starts flashing 2 Hz and the try, phase loss and correct
lows: output relay releases after phase sequence.
the set time period. If the
max{|V |}
ph-ph
phase sequence is incorrect
nom. voltage
or one phase is lost, the output
when measuring phase- relay releases immediately.
phase voltages and also as Only 200 ms delay occurs.
follows: The failure is indicated by the
2 Specifications are subject to change without notice (31.03.10)