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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
| Marcação | Descrição detalhada |
| REL52012 | Schneider official material code (modelo padrão) |
| 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)
| Segmento de modelo | Definição | Code Value | Explicação detalhada |
| P3U30 | Série de produtos | P3U30 | Universal protection relay for feeder and motor protection |
| 5 | Tipo de fonte de alimentação | 5 | 48-230V AC/DC wide-range power supply |
| ABA | Measurement Input Configuration | ABA | 4eu (3CT+1Io) ring-type terminals + 4TV (100V/110V) voltage input |
| 1 | Configuração de E/S | 1 | 16D/4C (without watchdog) |
| BD | Configuração de comunicação | BD | Extended communication configuration |
| AC | Digital Input Voltage + Interface de comunicação | AC | DE: 110-230V AC/DC wide range; Dual RJ45 Ethernet ports + Porta serial RS485 |
- Core Specification Parameter Table
| Categoria de parâmetro | Technical Specification | Observações |
| Informações Básicas | ||
| Tipo de produto | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| Parâmetros Elétricos | ||
| Tensão de alimentação | 48-230V CA/CC | Wide voltage design compatible with global power grids |
| Measurement Input | 4eu (3CT+1Io) ring terminals, 4TV (100V/110V) | Ring terminals ideal for high-current measurement |
| Entrada Digital (DE) | 16 canais, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| Saída digital (FAZER) | 4 canais, saída de relé | Avaliação de contato: 5CA/250V CA |
| Communication Performance | ||
| Interface de comunicação | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Protocolos Suportados | Serial: Modbus RTU, CEI 60870-5-101/103 | Fully compatible with industrial communication standards |
| Ethernet: CEI 61850, Modbus TCP, DNP3, Ethernet/IP | ||
| Mecânico & Ambiental | ||
| Dimensões | 96×96×75mm | Standard panel mounting size |
| Tipo de montagem | Panel mounting / Montagem em trilho DIN | Flexible for different control cabinet layouts |
| Temperatura operacional | 0°C ~ 60 °C | Industrial standard temperature range |
| Classe de Proteção | IP40 (Front Panel) | Suitable for installation inside control cabinets |
- Meaning of Suffix “C”
O sufixo “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 (por exemplo. Certificação 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
| Cenário de aplicação | Principais vantagens | Adaptation Reason |
| Smart Substation (China Market) | Dual 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 + 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 |
- Informações Complementares
- Hardware Compatibility: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- Funções de proteção: Equipped with more than 40 protection functions including overcurrent, falha de terra, subtensão, phase sequence reversal, sobrecarga, etc., em conformidade com IEC 60255 padrão.
- Atualização de Firmware: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- Lista de acessórios:
Front connector: Standard 9-pin spring terminal
Communication cable: RS485 shielded twisted pair (opcional)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (recomendado)
