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- Corrispondenza del modello principale
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
| Marcatura | Descrizione dettagliata |
| REL52012 | Schneider official material code (modello 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)
| Segmento modello | Definizione | Code Value | Detailed Explanation |
| P3U30 | Serie di prodotti | 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/110 V) voltage input |
| 1 | Configurazione I/O | 1 | 16DI/4DO (without watchdog) |
| B.D | Configurazione della comunicazione | B.D | Extended communication configuration |
| AC | Tensione di ingresso digitale + Interfaccia di comunicazione | AC | DI: 110-230V AC/DC wide range; Doppie porte Ethernet RJ45 + RS485 serial port |
- Core Specification Parameter Table
| Categoria dei parametri | Specifica tecnica | Osservazioni |
| Informazioni di base | ||
| Tipo di prodotto | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| Parametri Elettrici | ||
| Tensione di alimentazione | 48-230V CA/CC | Wide voltage design compatible with global power grids |
| Measurement Input | 4l (3CT+1Io) ring terminals, 4VT (100V/110 V) | Ring terminals ideal for high-current measurement |
| Ingresso digitale (DI) | 16 canali, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| Uscita digitale (FARE) | 4 canali, uscita relè | Contact rating: 5A/250 V CA |
| Communication Performance | ||
| Interfaccia di comunicazione | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Supported Protocols | Seriale: ModBus RTU, CEI 60870-5-101/103 | Fully compatible with industrial communication standards |
| Ethernet: CEI 61850, ModBus TCP, DNP3, Ethernet/IP | ||
| Meccanico & Ambientale | ||
| Dimensioni | 96×96×75mm | Standard panel mounting size |
| Tipo di montaggio | Panel mounting / Montaggio su guida DIN | Flexible for different control cabinet layouts |
| Temperatura operativa | 0°C ~ 60°C | Industrial standard temperature range |
| Classe di protezione | IP40 (Front Panel) | Suitable for installation inside control cabinets |
- Meaning of Suffix “C”
Il suffisso “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 (per esempio. Certificazione 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
| Scenario applicativo | Vantaggi fondamentali | Adaptation Reason |
| Smart Substation (China Market) | Doppia Ethernet + CEI 61850 supporto | 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 + supporto multiprotocollo | 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 |
- Informazioni supplementari
- Hardware Compatibility: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- Funzioni di protezione: Equipped with more than 40 protection functions including overcurrent, guasto a terra, sottotensione, phase sequence reversal, sovraccarico, ecc., conforme alla CEI 60255 standard.
- Firmware Upgrade: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- Elenco degli accessori:
Front connector: Standard 9-pin spring terminal
Cavo di comunicazione: RS485 shielded twisted pair (opzionale)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (raccomandato)
