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- Correspondencia del modelo central
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
| Marking | Descripción detallada |
| REL52012 | Schneider official material code (modelo estándar) |
| REL52012C | Version with suffix “do”, 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 | Definición | Code Value | Explicación detallada |
| P3U30 | Serie de productos | 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) voltage input |
| 1 | Configuración de E/S | 1 | 16DI/4DO (without watchdog) |
| BD | Configuración de comunicación | BD | Extended communication configuration |
| C.A. | Voltaje de entrada digital + Interfaz de comunicación | C.A. | DE: 110-230V AC/DC wide range; Puertos Ethernet RJ45 duales + RS485 serial port |
- Core Specification Parameter Table
| Categoría de parámetro | Technical Specification | Observaciones |
| Información básica | ||
| Tipo de producto | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| Parámetros eléctricos | ||
| Voltaje de suministro | 48-230VCA/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 |
| Entrada digital (DE) | 16 canales, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| Salida digital (HACER) | 4 canales, salida de relé | Calificación de contacto: 5CA/250 VCA |
| Communication Performance | ||
| Interfaz de comunicación | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Supported Protocols | De serie: Modbus RTU, CEI 60870-5-101/103 | Fully compatible with industrial communication standards |
| Ethernet: CEI 61850, Modbus TCP, DNP3, Ethernet/IP | ||
| Mecánico & Ambiental | ||
| Dimensiones | 96×96×75mm | Standard panel mounting size |
| Tipo de montaje | Panel mounting / Montaje en carril DIN | Flexible for different control cabinet layouts |
| Temperatura de funcionamiento | 0°C ~ 60°C | Industrial standard temperature range |
| Clase de protección | IP40 (Panel frontal) | Suitable for installation inside control cabinets |
- Meaning of Suffix “do”
el sufijo “do” 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).
- Adaptación de la certificación: Specially certified for China market requirements (p.ej. Certificación 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
| Escenario de aplicación | Ventajas principales | 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 + soporte multiprotocolo | 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 |
- Información complementaria
- Hardware Compatibility: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- Funciones de protección: Equipped with more than 40 protection functions including overcurrent, falla a tierra, subtensión, phase sequence reversal, sobrecarga, etc., Cumpliendo con IEC 60255 estándar.
- Firmware Upgrade: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- Lista de accesorios:
Front connector: Standard 9-pin spring terminal
Cable de comunicación: RS485 shielded twisted pair (opcional)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (recomendado)
