REM543CG212AAAA | Multifunction Protection Relay

ABB REM543CG212AAAA
(Multifunction Protection Relay for Power Distribution Systems)

​Product Overview

The ​ABB REM543CG212AAAA is a ​microprocessor-based protection relay from ABB’s ​Relion® 54x series, designed for overcurrent, earth fault, and motor protection in medium-voltage power systems. It ensures safe and reliable operation of electrical networks in industrial plants, substations, and renewable energy installations. The relay integrates advanced protection, control, and monitoring functions, compliant with IEC 60255 and IEEE C37.90 standards.

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Description

ABB REM543CG212AAAA
(Multifunction Protection Relay for Power Distribution Systems)

​Product Overview

The ​ABB REM543CG212AAAA is a ​microprocessor-based protection relay from ABB’s ​Relion® 54x series, designed for overcurrent, earth fault, and motor protection in medium-voltage power systems. It ensures safe and reliable operation of electrical networks in industrial plants, substations, and renewable energy installations. The relay integrates advanced protection, control, and monitoring functions, compliant with IEC 60255 and IEEE C37.90 standards.

​Key Features

  • ​Protection Functions:
    • Overcurrent (ANSI 50/51, 50N/51N)
    • Earth fault (ANSI 50G/51G, 67N)
    • Motor protection (starting supervision, stall, unbalance)
  • ​Communication:
    • IEC 61850 Ed.2 (GOOSE, MMS)
    • Modbus RTU/TCP
    • DNP3.0 (optional)
  • ​I/O Flexibility:
    • 6 binary inputs (24–250 VDC)
    • 4 relay outputs (5 A, 250 VAC/DC)
  • ​HMI Interface:
    • LCD display with multilingual menu
    • LED indicators for status/alarms
  • ​Certifications: IEC 60255, UL 508, CE, RoHS

​Technical Specifications

​Parameter ​Details
​Rated Voltage 24–250 VDC/AC (auxiliary supply)
​Current Inputs 1 A or 5 A (configurable)
​Frequency Range 45–65 Hz
​Operating Temp -25°C to +70°C
​Enclosure IP40 (panel-mounted)
​Dimensions 158 x 158 x 153 mm (WxHxD)
​Communication Ports 2x Ethernet, 1x RS-485

​Application Areas

  • ​Industrial Plants: Protects motors, transformers, and feeders in manufacturing facilities.
  • ​Renewables: Safeguards solar inverters and wind turbine connections.
  • ​Utilities: Deployed in ring main units (RMUs) and distribution substations.
  • ​Oil & Gas: Monitors pump stations and compressor drives.

​Installation & Configuration

  1. ​Mounting: Secure to panel using DIN rail or direct screw mounting.
  2. ​Wiring: Use shielded cables for CT/PT inputs to minimize EMI.
  3. ​Settings: Configure via ​PCM600 software or front-panel HMI.
  4. ​Testing: Validate trip logic using secondary injection test sets.

​Related Products

  1. ​REM543CG213AAAA: Variant with additional motor protection features.
  2. ​REF615: Feeder protection relay for similar applications.
  3. ​RCOM610: Communication module for IEC 61850 integration.
  4. ​CMUFO: Current measurement unit for retrofitting legacy systems.

​Product Assurance

  • ​Warranty: 2-year standard warranty, extendable via ABB service contracts.
  • ​Compliance: Meets IEC 60255-27 (EMC) and IEC 61000-6-2/4 (immunity/emissions).
  • ​Support: Access ABB’s ​24/7 Global Support Network for firmware updates and troubleshooting.

​Why It Matters

The ​REM543CG212AAAA combines robust protection with seamless grid communication, critical for minimizing downtime in industries reliant on continuous power. Its modular design and IEC 61850 compatibility future-proof electrical infrastructure upgrades.

For detailed settings or logic diagrams, refer to ​ABB Document 1MRK 509 043-BEN or consult ABB’s ​Relion® Application Handbook. Always adhere to local grid codes (e.g., NEC, IEC 60364) during deployment.

Please contact Sunny sales@xiongbagk.cn for the best price.

➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com

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