Monitoring Relays 3-Phase Sequence and Phase Loss Types DPA03, PPA03 3-phase monitoring relay for phase sequence and phase loss Detect when all phases are present and have the cor- rect sequence Knob-adjustable undervoltage detection Measure their own power supply Power supply range: 208 to 240, 380 to 480 and 600 to 690 VAC (15%) Output: 8 A SPDT relay normally energized For mounting on DIN-rail in accordance with DIN/EN 50 022 (DPA03) or plug-in module (PPA03) 22.5 mm Euronorm housing (DPA03) or 36 mm plug-in module (PPA03) DPA03 PPA03 LED indication for relay and power supply ON Product Description Ordering Key DPA 03 C M23 3-Phase relay for detection Supply range from 208 to Housing of incorrect phase sequence 240 VAC, 380 to 480 and Function and phase loss. 600 to 690 VAC covered by Type Using the front knob it can three multivoltage relays. Item number be decided the undervoltage For mounting on DIN-rail or Output setpoint of the unit. plug-in module. Power supply Type Selection MountingOutputSupply: Supply: Supply: Supply: 208 to 240 VAC 380 to 415 VAC 380 to 480 VAC 600 to 690 VAC DIN-rail SPDT DPA 03 C M23 DPA 03 C M48 DPA 03 C M69 Plug-in SPDT PPA 03 C M23 PPA 03 C M48 Input Specifications Output Specifications Input Output SPDT relay, N.E. L1, L2, L3 Terminals L1, L2, L3 Rated insulation voltage 250 VAC Measure their own supply Contact ratings (AgSnO) 2 Measuring range Resistive loads AC 1 8 A 250 VAC M23 160 to 240 VAC DC 12 5 A 24 VDC DPA03C M48 320 to 480 VAC Small inductive loads AC 15 2.5 A 250 VAC PPA03C M48 320 to 415 VAC DC 13 2.5 A 24 VDC M69 510 to 690 VAC 6 Mechanical life 30 x 10 operations 5 Electrical life 10 operations (at 8 A, 250 V, cos = 1) Operating frequency 7200 operations/h Dielectric strength Dielectric voltage 2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 s) Supply Specifications Power supply Overvoltage cat. III Rated operational power Rated operational voltage (IEC 60664, IEC 60038) M23 7 VA 230 VAC, 50 Hz through terminals: L1, L2, L3 M48 11 VA 400 VAC, 50 Hz M23 208 to 240 VAC 15%, M69 17 VA 600 VAC, 60 Hz 45 to 65 Hz Supplied by L1 and L3 DPA03C M48 380 to 480 VAC 15%, 45 to 65 Hz PPA03C M48 380 to 415 VAC 15%, 45 to 65 Hz M69 600 to 690 VAC 15%, 45 to 65 Hz Specifications are subject to change without notice (02.04.10) 1DPA03, PPA03 General Specifications Reaction time Housing Alarm ON delay < 100 ms Dimensions DPA03 22.5 x 80 x 99.5 mm Alarm OFF delay < 300 ms PPA03 36 x 80 x 94 mm Material PA66 or Noryl Accuracy (15 min warm-up time) Temperature drift 1000 ppm/C Weight Approx. 100 g Repeatability 0.5% on full scale Screw terminals Indication for Tightening torque Max. 0.5 Nm Power supply ON LED, green acc. to IEC 60947 Relay ON LED, yellow Product standard EN 60255-6 Environment Approvals UL, CSA Degree of protection IP 20 CE Marking L.V. Directive 2006/95/EC Pollution degree 2 EMC Directive 2004/108/EC Operating temperature EMC Max. voltage, 50 Hz -20 to +60C, R.H. < 95% Immunity According to EN 60255-26 Max. voltage, 60 Hz -20 to +50C, R.H. < 95% According to EN 61000-6-2 Storage temperature -30 to +80C, R.H. < 95% Emissions According to EN 60255-26 According to EN 61000-6-3 Mode of Operation Level setting DPA03 and PPA03 monitor Example 1 Select the proper undervolt- Centre knob: their own 3 - phase power The relay monitors that the age level using the knob Setting of under level on supply. power supply has the cor- according to the phase- absolute scale. The relay operates when all rect phase sequence and phase voltage and the need- the phases are present, the that all phases are present. ed sensitivity. phase sequence is correct and each phase-phase volt- Example 2 age is above the adjusted The relay releases in case of setpoint. The relay releases interruption of one or more when one phase-phase volt- phases, provided that the age drops below the set- regenerated voltage does point or when the phase not exceed the set voltage. sequence is incorrect. Operation Diagrams L2 L3 L1 L1 L2 L1 L2 L2 L3 L3 L1 L3 Relay ON Min L1, L2, L3 Hysteresis Set level Power supply Relay ON 2 Specifications are subject to change without notice (02.04.10)