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- Core Model Correspondence
REL52012C is a specific model of Schneider PowerLogic/Easergy P3U30 Series Universal Protection Relay. Its standard part number is REL52012, and the corresponding complete product reference code is: P3U30-5ABA1BDAC
| Markierung | Detaillierte Beschreibung |
| REL52012 | Schneider official material code (Standardmodell) |
| REL52012C | Version with suffix “C”, generally refers to China market version or specific production batch |
| P3U30-5ABA1BDAC | Full product reference code containing all configuration information |
- Full Model Code Decoding (P3U30-5ABA1BDAC)
| Modellsegment | Definition | Code Value | Ausführliche Erklärung |
| P3U30 | Produktserie | P3U30 | Universal protection relay for feeder and motor protection |
| 5 | Power Supply Type | 5 | 48-230V AC/DC wide-range power supply |
| ABA | Measurement Input Configuration | ABA | 4L (3CT+1Io) ring-type terminals + 4VT (100V/110V) Spannungseingang |
| 1 | E/A-Konfiguration | 1 | 16DI/4DO (without watchdog) |
| BD | Kommunikationskonfiguration | BD | Extended communication configuration |
| Wechselstrom | Digital Input Voltage + Kommunikationsschnittstelle | Wechselstrom | AUS: 110-230V AC/DC wide range; Dual RJ45 Ethernet ports + RS485 serial port |
- Core Specification Parameter Table
| Parameterkategorie | Technical Specification | Bemerkungen |
| Grundlegende Informationen | ||
| Produkttyp | Universelles Schutzrelais | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| Elektrische Parameter | ||
| Versorgungsspannung | 48-230V AC/DC | Wide voltage design compatible with global power grids |
| Measurement Input | 4L (3CT+1Io) ring terminals, 4VT (100V/110V) | Ring terminals ideal for high-current measurement |
| Digitaler Eingang (AUS) | 16 Kanäle, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| Digitaler Ausgang (TUN) | 4 Kanäle, Relaisausgang | Kontaktbewertung: 5A/250V AC |
| Communication Performance | ||
| Kommunikationsschnittstelle | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Unterstützte Protokolle | Serial: Modbus RTU, IEC 60870-5-101/103 | Fully compatible with industrial communication standards |
| Ethernet: IEC 61850, Modbus TCP, DNP3, Ethernet/IP | ||
| Mechanisch & Umweltfreundlich | ||
| Abmessungen | 96×96×75mm | Standard panel mounting size |
| Montageart | Panel mounting / DIN-Schienenmontage | Flexible for different control cabinet layouts |
| Betriebstemperatur | 0°C ~ 60°C | Industrial standard temperature range |
| Schutzklasse | IP40 (Frontplatte) | Suitable for installation inside control cabinets |
- Meaning of Suffix “C”
Das Suffix “C” in REL52012C mainly indicates:
- Regional Version Identifier: Usually stands for dedicated version for China market, optimized in configuration for China power grid standards.
- Manufacturing Information: Produced by Schneider’s local factory in China (SSIC).
- Certification Adaptation: Specially certified for China market requirements (z.B. CCC-Zertifizierung) to comply with Chinese national standards.
REL52012C and standard REL52012 are completely identical in core functions and technical parameters, differing only in sales region, certification and manufacturing origin.
- Application Scenario Recommendation
| Anwendungsszenario | Kernvorteile | Adaptation Reason |
| Smart Substation (China Market) | Dual Ethernet + IEC 61850 support | Complies with China smart grid standards and facilitates system integration |
| Feeder Automation System | 4L ring terminals + extended communication | Adapts to high-current measurement; supports remote monitoring and fault diagnosis |
| Industrial Power Distribution System | Wide-range DI voltage + multi-protocol support | Fits complex factory voltage environments; compatible with various PLC and SCADA systems |
| International Projects (China Region) | China certified version + global standard compatibility | Meets local compliance requirements while supporting international communication protocols |
- Supplementary Information
- Hardware Compatibility: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- Schutzfunktionen: Equipped with more than 40 protection functions including overcurrent, Erdschluss, Unterspannung, phase sequence reversal, Überlast, usw., konform mit IEC 60255 Standard.
- Firmware Upgrade: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- Zubehörliste:
Front connector: Standard 9-pin spring terminal
Communication cable: RS485 shielded twisted pair (optional)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (empfohlen)
