Main range of productEasergy P3 product or component typeProtection relay relay applicationUniversal product referenceP3U20-5AAA2ACAA power supply48...230 V AC/DC measuring inputs: 1/5 A CT phase current 3 : 1/5 A CT residual current 1 : 100 V/110 V VT voltage 1 number of sensors0 temperature sensor(s) 0 arc sensor(s) number of Digital Inputs (DI)10 number of Digital Outputs (DO)1 watchdog5 number of analogue inputs0 number of analogue outputs0 communication portsUSB port 1 frontRJ45 2 rear communication protocolsIEC 61850 ed. 1IEC 61850 ed. 2IEC 60870-5-101DNP3 TCPModbus TCPEthernet/IP redundancy communication port protocolRSTPPRP cybersecurityPort hardeningPassword protection protection functionsPhase overcurrent 50/51Earth fault overcurrent 50N/51NDirectional earth fault 67NTransient earth fault 67NICapacitor bank unbalance 51CBroken conductor 46 I2/I1Cold load pick-upSwitch ON to fault (SOTF)Breaker failure 50BFRecloser 79Phase undercurrent 37Excessive starting time, locked rotor 48/51LRMotor restart inhibition 66Capacitor overvoltage 59CNegative sequence overcurrent 46Earth fault overvoltage 59NRate of change of frequency 81RLockout relay 86H2 detection 68H2H5 detection 68H5Programmable stages 99Programmable curve arc flash protectionNo measurement functionsCurrent 3-phaseCurrent zero sequenceCurrent positive sequenceCurrent negative sequenceCurrent ratio of negative and positiveVoltage zero sequenceEarth fault reactanceFrequencyCurrent phasor diagram viewCurrent 2nd, 15th harmonics with THDCondition monitoring CB wear control functionsSwitchgear control and monitoringProgrammable switchgear interlockingLocal control on single-line diagramLocal control with I/O keysLocal/remote control2 function keysMobile application with Easergy SmartAppWeb-serverProgrammable logic controllable switchgear devices2 controlled + 4 displayed number of setting groups4 monitoring functionsTrip circuit supervision 74Circuit breaker monitoringRelay self-monitoring logs and recordsEvent recordingDisturbance recordingTripping context switchgear diagnosis typeTrip circuit supervision ANSI code: TCSCT supervision ANSI code: 60 connections - terminalsScrew removable (digital input/output)Pin removable (current transformer)Pin removable (voltage transformer) Complementary operating threshold110...230 V AC/DC time synchronisation protocolSNTP web serverEmbedded HTTP server software nameEcoStruxure Power DeviceESetup Easergy Pro number of key2 customizable local signalling4 LEDs8 LEDs programmable standardsIEC height169.5 mm width170 mm depth205 mm net weight2.5 kg maximum Environment electromagnetic compatibilityEmission tests conforming to IEC/EN 60255-26 ed. 3Emission tests class A conforming to CISPR 11Emission tests class A conforming to CISPR 22EMC immunity conforming to IEC/EN 60255-26 ed. 3EMC immunity conforming to EN/IEC 61000-4-18EMC immunity level 4 conforming to EN/IEC 61000-4-2EMC immunity level 3 conforming to EN/IEC 61000-4-3EMC immunity level 4 conforming to EN/IEC 61000-4-4EMC immunity level 3 conforming to EN/IEC 61000-4-5EMC immunity level 3 conforming to EN/IEC 61000-4-6EMC immunity conforming to EN/IEC 61000-4-8EMC immunity level 5 conforming to EN/IEC 61000-4-9EMC immunity conforming to EN/IEC 61000-4-29EMC immunity conforming to EN/IEC 61000-4-11EMC immunity conforming to EN/IEC 61000-4-17 mechanical robustnessVibrations (level: class II) conforming to IEC 60255-21-1Vibrations: Fc conforming to IEC 60068-2-6Shocks (level: class II) conforming to IEC 60255-21-2Shocks: Ea conforming to IEC 60068-2-27Seismic tests method A (level: class II) conforming to IEC 60255-21-3Bumps (level: class II) conforming to IEC 60255-21-2Bumps: Ea conforming to IEC 60068-2-27 climatic withstandExposure to dry heat Bb tests conforming to EN/IEC 60068-2-2Exposure to cold Ad tests conforming to EN/IEC 60068-2-1Exposure to damp heat in service Db tests conforming to EN/IEC 60068-2-30Exposure to damp heat in service Cab tests conforming to EN/IEC 60068-2-78 ambient air temperature for operation-40…65 °C ambient air temperature for storage-40…70 °C IP degree of protectionIP54 conforming to IEC 60529 relative humidity0…95 %, without condensation maximum operating altitude2000 m protective treatmentConformal coating Offer Sustainability Sustainable offer statusGreen Premium product REACh Regulation EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS RegulationChina RoHS declaration
Product out of China RoHS scope. Substance declaration for your information
Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins Contractual warranty WarrantyUp to 10 years extended warranty (Standard warranty 2 years. Please check with your local SE representative for extended warranty availability and conditions)
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Software and FirmwareLanguage
Software - ReleasedFormatSizeAdd to My DocumentsSize zipSize 147.9 MBDate 10/10/19DescriptionThe eSetup Easergy Pro software is the setting and operating tool for Easergy protection relays. It may be used:|- prior to commissioning and without connection to Easergy relays, to prepare Easergy protection and parameter settings, during commissioning, on a PC connected point-to-point to the Easergy relays front panel: to load, unload and modify protection and parameter settings and to obtain all measurements and useful information during commissioning|- during operation, on a PC connected to a set of Easergy relays via Ethernet communication network in order to manage the protection system, to monitor the status of the electrical network and to run diagnostics on any incidents affecting the electrical network.||Compatibility with Microsoft® VISTA, XP Windows 7 (32/64) and Windows 10||Compatibility with Easergy P3 devives and Easergy P5 devices.
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Connections and SchemaFunctional View
Dimensions DrawingsBase Unit Dimensions
With screw connector
With ring-lug connector