コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
- 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
| マーキング | 詳細な説明 |
| REL52012 | Schneider official material code (スタンダードモデル) |
| 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)
| モデルセグメント | 意味 | Code Value | 詳しい説明 |
| P3U30 | 製品シリーズ | 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) 電圧入力 |
| 1 | I/O構成 | 1 | 16D/4C (without watchdog) |
| BD | 通信設定 | BD | Extended communication configuration |
| 交流 | Digital Input Voltage + 通信インターフェース | 交流 | から: 110-230V AC/DC wide range; Dual RJ45 Ethernet ports + RS485 serial port |
- Core Specification Parameter Table
| パラメータのカテゴリ | Technical Specification | 備考 |
| 基本情報 | ||
| 製品タイプ | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| 電気的パラメータ | ||
| 供給電圧 | 48-230AC/DCV | 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 |
| デジタル入力 (から) | 16 チャンネル, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| デジタル出力 (する) | 4 チャンネル, リレー出力 | 接点定格: 5A/AC250V |
| Communication Performance | ||
| 通信インターフェース | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| サポートされているプロトコル | Serial: Modbus RTU, IEC 60870-5-101/103 | Fully compatible with industrial communication standards |
| イーサネット: IEC 61850, Modbus TCP, DNP3, イーサネット/IP | ||
| 機械式 & 環境 | ||
| 寸法 | 96×96×75mm | Standard panel mounting size |
| 取付タイプ | Panel mounting / DINレール取付 | Flexible for different control cabinet layouts |
| 動作温度 | 0°C ~ 60°C | Industrial standard temperature range |
| 保護クラス | IP40 (Front Panel) | Suitable for installation inside control cabinets |
- Meaning of Suffix “C”
接尾語 “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 (例えば. CCC認証) 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
| アプリケーションシナリオ | 主な利点 | 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 |
- 補足情報
- Hardware Compatibility: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- 保護機能: Equipped with more than 40 protection functions including overcurrent, 地絡, 不足電圧, phase sequence reversal, 過負荷, 等, IECに準拠 60255 標準.
- Firmware Upgrade: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- 付属品一覧:
Front connector: Standard 9-pin spring terminal
Communication cable: RS485 shielded twisted pair (オプション)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (推奨)
