- 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
| 마킹 | 자세한 설명 |
| REL52012 | Schneider official material code (standard model) |
| REL52012C | Version with suffix “기음”, 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)
| 모델 세그먼트 | 정의 | Code Value | Detailed Explanation |
| P3U30 | 제품 시리즈 | 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 | 4엘 (3CT+1Io) ring-type terminals + 4버몬트 (100V/110V) voltage input |
| 1 | I/O Configuration | 1 | 16D/4C (without watchdog) |
| BD | 통신 구성 | BD | Extended communication configuration |
| 교류 | Digital Input Voltage + 통신 인터페이스 | 교류 | 에서: 110-230V AC/DC wide range; Dual RJ45 Ethernet ports + RS485 serial port |
- Core Specification Parameter Table
| 매개변수 카테고리 | 기술 사양 | 비고 |
| 기본정보 | ||
| 제품 유형 | Universal Protection Relay | Suitable for feeder and motor protection applications |
| Standard REL Code | REL52012 (REL52012C is China version) | Official material part number |
| 전기적 매개변수 | ||
| 공급 전압 | 48-230V AC/DC | Wide voltage design compatible with global power grids |
| Measurement Input | 4엘 (3CT+1Io) ring terminals, 4버몬트 (100V/110V) | Ring terminals ideal for high-current measurement |
| 디지털 입력 (에서) | 16 채널, 110-230V AC/DC wide range | Opto-isolated with strong anti-interference capability |
| 디지털 출력 (~하다) | 4 채널, 릴레이 출력 | 접점등급: 5A/250V AC |
| Communication Performance | ||
| 통신 인터페이스 | 2×RJ45 Ethernet ports + 1×RS485 serial port | Supports network redundancy and remote monitoring |
| Supported Protocols | Serial: 모드버스 RTU, IEC 60870-5-101/103 | Fully compatible with industrial communication standards |
| 이더넷: IEC 61850, 모드버스 TCP, DNP3, 이더넷/IP | ||
| 기계 & 환경 | ||
| 치수 | 96×96×75mm | Standard panel mounting size |
| 장착 유형 | 패널 장착 / DIN 레일 장착 | Flexible for different control cabinet layouts |
| 작동 온도 | 0°C ~ 60°C | Industrial standard temperature range |
| 보호 등급 | IP40 (Front Panel) | Suitable for installation inside control cabinets |
- Meaning of Suffix “기음”
The suffix “기음” 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).
- 인증 적응: Specially certified for China market requirements (예를 들어. CCC 인증) 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
| 응용 시나리오 | 핵심 장점 | Adaptation Reason |
| Smart Substation (China Market) | Dual Ethernet + IEC 61850 지원하다 | 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 + 다중 프로토콜 지원 | 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 |
- 보충 정보
- 하드웨어 호환성: Fully consistent in physical dimensions and mounting method with all P3U30 series models; direct interchangeable installation available.
- 보호 기능: Equipped with more than 40 protection functions including overcurrent, 지락, 저전압, phase sequence reversal, 초과 적재, 등., IEC를 준수 60255 기준.
- 펌웨어 업그레이드: Supports remote firmware upgrade via Ethernet port; RS485 port available for local upgrade.
- 액세서리 목록:
Front connector: Standard 9-pin spring terminal
Communication cable: RS485 shielded twisted pair (선택 과목)
Ethernet cable: CAT5e/CAT6 industrial Ethernet cable (추천)
접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지


