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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
| Marquage | Description détaillée |
| REL52012 | Schneider official material code (modèle standard) |
| 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)
| Segment de modèle | Définition | Code Value | Explication détaillée |
| P3U30 | Série de produits | 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 + 4Vermont (100V/110V) entrée de tension |
| 1 | Configuration des E/S | 1 | 16DI/4DO (without watchdog) |
| BD | Configuration des communications | BD | Extended communication configuration |
| CA | Tension d'entrée numérique + Interface de communication | CA | DEPUIS: 110-230V AC/DC wide range; Deux ports Ethernet RJ45 + RS485 serial port |
- Core Specification Parameter Table
| Catégorie de paramètre | Spécification technique | Remarques |
| Informations de base | ||
| Type de produit | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| Paramètres électriques | ||
| Tension d'alimentation | 48-230V CA/CC | Wide voltage design compatible with global power grids |
| Measurement Input | 4L (3CT+1Io) ring terminals, 4Vermont (100V/110V) | Ring terminals ideal for high-current measurement |
| Entrée numérique (DEPUIS) | 16 chaînes, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| Sortie numérique (FAIRE) | 4 chaînes, sortie relais | Évaluation des contacts: 5A/250 V CA |
| Communication Performance | ||
| Interface de communication | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Supported Protocols | En série: Modbus RTU, CEI 60870-5-101/103 | Fully compatible with industrial communication standards |
| Ethernet: CEI 61850, Modbus-TCP, DNP3, Ethernet/IP | ||
| Mécanique & Environnemental | ||
| Dimensions | 96×96×75mm | Standard panel mounting size |
| Type de montage | Panel mounting / Montage sur rail DIN | Flexible for different control cabinet layouts |
| Température de fonctionnement | 0°C ~ 60°C | Industrial standard temperature range |
| Classe de protection | IP40 (Front Panel) | Suitable for installation inside control cabinets |
- Meaning of Suffix “C”
Le suffixe “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 (par exemple. Certification CCC) 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
| Scénario d'application | Avantages principaux | Adaptation Reason |
| Smart Substation (China Market) | Double Ethernet + CEI 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 + prise en charge multiprotocole | 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
- Compatibilité matérielle: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- Fonctions de protection: Equipped with more than 40 protection functions including overcurrent, défaut à la terre, sous-tension, phase sequence reversal, surcharge, etc., complying with IEC 60255 standard.
- Mise à niveau du micrologiciel: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- Liste des accessoires:
Front connector: Standard 9-pin spring terminal
Câble de communication: RS485 shielded twisted pair (facultatif)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (recommandé)
