Schneider Electric REL52044
MPNREL52044
Active
universal protection relay, PowerLogic P3U20, 4L ringlug, 1U, 10DI/5DO, Uaux: 48-230V, DI: 220-230V, RS-485
$2,099.34Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
Specifications
| Parameter | Value |
|---|---|
| Display type | LCD 128 x 64 pixels with single line diagram |
| Range of product | PowerLogic P3 |
| Product or component type | Protection relay |
| Switchgear diagnosis type | CT supervision Trip circuit supervision ANSI code: TCS |
| Type of temperature module connection | Copper cable external module Fiber optic cable external module |
| Climatic withstand | Exposure to dry heat Bb tests conforming to EN/IEC 60068-2-2 Exposure to cold Ad tests conforming to EN/IEC 60068-2-1 Exposure to damp heat in service Db tests conforming to EN/IEC 60068-2-30 Exposure to damp heat in service Cab tests conforming to EN/IEC 60068-2-78 |
| Power supply | 48...230 V AC/DC |
| IP degree of protection | IP54 conforming to IEC 60529 |
| Communication ports | USB port 1 front RS485 1 rear |
| Communication protocols | IEC 60870-5-101 IEC 60870-5-103 DNP3 Modbus RTU DeviceNet SPAbus |
| Mounting case size | 20TE |
| Connections - terminals | Screw removable (digital input/output) Ring lugs removable (current transformer) Pin removable (voltage transformer) |
All specifications
| Parameter | Value |
|---|---|
| Relative humidity | 0...95 %, without condensation |
| Maximum operating altitude | 2000 m |
| Depth | 205 mm |
| Width | 170 mm |
| Height | 169.5 mm |
| Standards | IEC |
| Web server | Embedded HTTP server |
| Cybersecurity | Port hardening Password protection |
| Number of key | 2 customizable |
| Software name | EcoStruxure Power Device ESetup Easergy Pro |
| Local signalling | 4 LEDs 8 LEDs programmable |
| Logs and records | Event recording Disturbance recording Tripping context |
| Measuring inputs | : 1/5 A CT phase current 3 : 1/5 A CT residual current 1 : 100 V/110 V VT voltage 1 |
| Control functions | Switchgear control and monitoring Programmable switchgear interlocking Local control on single-line diagram Local control with I/O keys Local/remote control 2 function keys Mobile application with Easergy SmartApp Web-server Programmable logic |
| Number of sensors | 0 temperature sensor(s) 0 arc sensor(s) |
| Product reference | P3U20-6AAA3ABAA |
| Relay application | Universal |
| Operating threshold | 220...230 V AC/DC |
| Arc flash protection | No |
| Monitoring functions | Trip circuit supervision 74 Circuit breaker monitoring Relay self-monitoring |
| Protection functions | Phase undercurrent 37 Negative sequence overcurrent 46 Broken conductor 46 I2/I1 Excessive starting time, locked rotor 48/51LR Thermal overload protection 49 Phase overcurrent 50/51 Earth fault overcurrent 50N/51N Breaker failure 50BF Switch ON to fault (SOTF) Capacitor bank unbalance 51C Capacitor overvoltage 59C Neutral voltage displacement 59N Motor restart inhibition 66 Directional earth fault 67N Transient earth fault 67NI CT supervision 60 VT supervision 60 H2 detection 68H2 H5 detection 68H5 Recloser 79 Lockout relay 86 Cold load pick-up Programmable stages 99 Programmable curve |
| Protective treatment | Conformal coating |
| Measurement functions | Current 3-phase Current zero sequence Current positive sequence Current negative sequence Current ratio of negative and positive Voltage phase to earth Voltage phase to phase Voltage zero sequence Voltage positive sequence Voltage negative sequence Voltage ratio of negative and positive Short circuit fault reactance Fault location current Earth fault reactance Frequency Active power RMS active power Reactive power RMS reactive power Apparent power RMS apparent power Active energy Reactive energy Cos φ Tan φ Power angle Power factor Voltage phasor diagram view Current phasor diagram view Current 2nd, 15th harmonics with THD Voltage 2nd, 15th harmonics with THD Voltage interruption Condition monitoring CB wear |
| Mechanical robustness | Vibrations (level: class II) conforming to IEC 60255-21-1 Vibrations: Fc conforming to IEC 60068-2-6 Shocks (level: class II) conforming to IEC 60255-21-2 Shocks: Ea conforming to IEC 60068-2-27 Seismic tests method A (level: class II) conforming to IEC 60255-21-3 Bumps (level: class II) conforming to IEC 60255-21-2 Bumps: Ea conforming to IEC 60068-2-27 |
| Number of setting groups | 4 |
| Number of analogue inputs | 0 |
| Number of analogue outputs | 0 |
| Electromagnetic compatibility | Emission tests conforming to IEC/EN 60255-26 ed. 3 Emission tests conforming to CISPR 11 Emission tests conforming to CISPR 22 EMC immunity conforming to IEC/EN 60255-26 ed. 3 EMC immunity conforming to EN/IEC 61000-4-18 EMC immunity level 4 conforming to EN/IEC 61000-4-2 EMC immunity level 3 conforming to EN/IEC 61000-4-3 EMC immunity level 4 conforming to EN/IEC 61000-4-4 EMC immunity level 3 conforming to EN/IEC 61000-4-5 EMC immunity level 3 conforming to EN/IEC 61000-4-6 EMC immunity conforming to EN/IEC 61000-4-8 EMC immunity level 5 conforming to EN/IEC 61000-4-9 EMC immunity conforming to EN/IEC 61000-4-29 EMC immunity conforming to EN/IEC 61000-4-11 EMC immunity conforming to EN/IEC 61000-4-17 |
| Number of digital inputs | 10 |
| Number of digital outputs | 1 watchdog 5 |
| Controllable switchgear devices | 2 controlled + 4 displayed |
| Ambient air temperature for storage | -40...70 °C |
| Ambient air temperature for operation | -40...65 °C |
MPN
REL52044