Description
⚡ Product Description
The ABB REM543 REM543CG214AAAA is a distribution automation relay designed for electrical distribution and medium-voltage power-system applications. The REM543 platform combines protection, measurement, control, monitoring, and automation functions for distribution equipment. It can be integrated with switchgear and substation automation systems to process electrical measurements, manage protection functions, and provide control and status information to supervisory systems. This unit is suitable for maintenance, retrofit projects, equipment refurbishment, and replacement of an existing ABB REM543 assembly.
🔑 Product Keywords
ABB REM543, REM543CG214AAAA, ABB distribution automation, ABB protection relay, distribution automation relay, medium voltage relay, feeder protection relay, switchgear protection, substation automation, ABB REM543 replacement
🔗 Product Source
For additional ABB protection, automation, and electrical control spare parts, visit .
REM543CG214AAAA
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | REM543 |
| Order Code | REM543CG214AAAA |
| Series | REM543 |
| Product Name | Distribution Automation Relay |
| Product Type | Protection & Control Relay |
| Application | Distribution Automation & Switchgear |
| System Function | Protection, Measurement, Control & Monitoring |
| Condition / Status | New Surplus / Original Replacement Part |
| Power | System-dependent; verify nameplate requirements |
🛡️ Protection & Automation Function
The REM543 is designed to combine electrical protection and automation functions within distribution systems. Depending on the configured application, it can process current and voltage measurements, monitor equipment status, execute configured protection functions, and interface with switchgear control circuits and supervisory automation systems.
🏭 Typical Applications
• Medium-voltage distribution systems
• Feeder and switchgear protection
• Substation automation
• Industrial power distribution
• Distribution network monitoring
• Electrical equipment control
• Retrofit and maintenance projects
🔧 System Integration
The REM543CG214AAAA configuration should be matched with the existing ABB protection-system design. Before replacement, verify the complete order code, auxiliary supply, CT/VT connections, binary I/O, communication interfaces, protection configuration, and installed firmware or hardware revision. Existing protection settings and wiring should be documented before removing the original relay.
🛠️ Replacement Notes
Protection relays should be installed and commissioned by qualified electrical personnel. After installation, verify measurement circuits, auxiliary power, binary inputs and outputs, communication links, protection settings, and control/trip circuits. Appropriate functional and protection testing should be completed before returning the distribution equipment to service.
⭐ Recommended ABB Models
- ABB REM543 REM543CG214AAAA
- ABB REF542plus
- ABB REF615
- ABB REF601
- ABB REF620
- ABB REU615
- ABB REC615
- ABB RED615
- ABB RED670
- ABB REL670
📦 Suitable For: ABB distribution automation, medium-voltage switchgear protection, feeder control, substation automation, electrical maintenance, retrofit projects, and replacement-part inventory.
