ABB REC670 1MRK002814-AB Big Busbar Protection IED in stock

ABB REC670 1MRK002814-AB Big Version is the large form factor extended IED of ABB Relion 670 series. It provides expanded I/O capacity, multi-zone busbar differential protection, comprehensive bay control and backup protection functions for medium voltage substations and power plant auxiliary power systems.

This big size IED integrates more digital and analog channels, supports multi-bay configuration and redundant Ethernet communication. It adopts robust panel mounting housing with full HMI display, widely used for large medium voltage switchgear cabinet maintenance, spare parts replacement and substation automation upgrade projects.

Data Parameters

• 1. Brand: ABB.

• 2. Model: REC670 Big Version, Part No:1MRK002814-AB.

• 3. Product Type: Extended Bay Control and Busbar Protection IED.

• 4. Product Series: Relion 670 series intelligent electronic device, large housing variant.

• 5. Applicable Voltage: Medium voltage 3kV ~ 35kV power distribution system.

• 6. Main Protection: Multi-zone busbar differential protection, breaker failure and backup protection.

• 7. Communication Protocol: IEC 61850, GOOSE, MMS, SNTP and redundant Ethernet.

• 8. Power Supply: 24/48/110/220 VDC auxiliary power supply.

• 9. Operating Temperature: -20℃ ~ +70℃.

• 10. Installation: Large-size panel mounting inside medium voltage switchgear cabinet.

Core Functions

• 1. Deliver multi-zone fast busbar differential protection to detect and isolate short-circuit faults on medium voltage busbars.

• 2. Realize expanded bay control, circuit breaker status monitoring and local/remote switch operation for multiple bays.

• 3. Support auxiliary power automatic transfer logic for large power plant auxiliary power networks.

• 4. Capture long-duration fault disturbance waveforms, event sequences and alarm logs for post-fault analysis.

• 5. Communicate redundantly with substation SCADA system via IEC 61850 to upload real-time electrical and status data.

Application Scenarios

• 1. Large medium voltage substation REC670 big version busbar protection IED replacement and maintenance.

• 2. Thermal power plant auxiliary power cabinet multi-bay protection and control system hardware retrofit project.

• 3. Petrochemical, mining and metallurgy private power station medium voltage bus spare parts renewal.

• 4. Large-scale renewable energy power plant and urban distribution substation automation spare parts inventory backup.

• 5. Legacy ABB Relion 670 series protection system overhaul and aging large form factor bay control IED replacement project.

FAQ

• 1. Q: What is ABB REC670 1MRK002814-AB Big Version?
      A: It is large housing extended IED of Relion 670 series, for multi-zone medium voltage busbar protection and multi-bay control.

• 2. Q: What is the difference between big version and standard REC670?
      A: Big version has expanded I/O channels, supports multi-bay and multi-zone busbar protection with redundant communication ports.

• 3. Q: What communication standard does REC670 big version support?
      A: It supports full IEC 61850 suite including GOOSE, MMS and SNTP time synchronization with dual Ethernet redundancy.