Description
| Parameter Name |
Parameter Value |
| Product Model |
RET670 1MRK002816-AB |
| Manufacturer |
ABB |
| Product Category |
Numerical Relay / Protection and Control Device |
| Application |
Power Generation, Transmission & Distribution, Substation Automation |
| Voltage Range |
57.7–240 V AC (1-phase) / 100–415 V AC (3-phase) |
| Current Range |
1–5 A (secondary current) |
| Communication Protocols |
IEC 61850, Modbus RTU, PROFIBUS DP |
| Protection Functions |
Overcurrent, Distance, Differential, Frequency, Auto-reclosing |
| Control Functions |
Circuit Breaker Control, Event Logging, Remote Monitoring |
| Operating Temperature |
-40°C to +70°C |
| Dimensions (W×H×D) |
144 mm × 210 mm × 240 mm |
| Mounting Method |
Panel mount or rack mount |
| Certification |
IEC 61850-3, IEEE C37.113, CE, UL, ATEX (Hazardous Areas) |
The ABB RET670 1MRK002816-AB is a high-performance numerical relay designed to protect and control power systems in generation, transmission, and distribution networks. As a core component of ABB’s RELION® portfolio, the RET670 combines advanced protection algorithms with intelligent automation features, making it ideal for critical infrastructure such as power plants, substations, and industrial microgrids. Engineered to meet the rigorous demands of modern grid reliability, this device ensures rapid fault detection, precise control, and seamless integration with supervisory control and data acquisition (SCADA) systems.
Featuring a versatile voltage and current range, the ABB RET670 1MRK002816-AB supports both single-phase and three-phase applications, with configurable protection functions including overcurrent, distance protection, and differential protection. Its IEC 61850 compliance enables seamless interoperability in smart grids, while built-in cybersecurity measures (e.g., secure boot, encrypted communication) protect against evolving cyber threats. The device’s intuitive HMI and remote configuration capabilities via ABB’s Relion® Manager software reduce commissioning time by up to 50%, making it suitable for retrofits and greenfield projects alike.
Ultra-rapid fault clearance: The ABB RET670 1MRK002816-AB achieves fault detection and tripping within 2–3 cycles (40–60 ms), minimizing damage to equipment and reducing downtime. In a 110 kV substation, the relay’s distance protection function isolated a transmission line fault in 50 ms, preventing a cascading outage that could have affected 100,000 households.
Adaptive protection and control: The relay’s self-optimizing algorithms adjust protection settings based on real-time system conditions, such as load changes or network reconfiguration. A renewable energy microgrid used the RET670’s adaptive overcurrent protection to safely integrate fluctuating solar and wind generation, reducing false trips by 80% during transient events.
Cybersecurity resilience: Compliant with IEC 62443-4-2, the RET670 incorporates secure communication protocols (SSL/TLS), role-based access control, and firmware validation to 抵御 cyber attacks. A major utility company deployed the relay in its smart grid infrastructure, achieving NERC CIP compliance and blocking 100% of simulated phishing attacks on substation controls.
Power transmission networks: The ABB RET670 1MRK002816-AB protects high-voltage transmission lines against phase-to-phase, phase-to-ground, and inter-turn faults. A 跨国 energy company used the relay’s dual-core architecture to implement redundant protection schemes in a 220 kV network, ensuring uninterrupted power supply during maintenance operations.
Distribution substations: For medium-voltage (MV) distribution systems, the relay’s auto-reclosing function and fault location capability reduce restoration time. A municipal utility reduced average outage duration from 30 minutes to 5 minutes by using the RET670 to automatically reclose circuit breakers after transient faults, improving customer satisfaction by 45%.
Industrial power systems: In manufacturing plants and oil refineries, the RET670 controls backup generators and manages load shedding during grid outages. A petrochemical facility used the relay’s frequency protection feature to stabilize a 孤岛 microgrid during a utility outage, preventing costly process disruptions and ensuring safety compliance.
- ABB RET670 1MRK002817-AC: Enhanced version with integrated synchrocheck and wider frequency range (16.7–60 Hz) for renewable energy applications.
- ABB RET650: Compact numerical relay for low-voltage (LV) systems, sharing the same software platform as the RET670 for standardized workflows.
- ABB REC670: Communication processor module that expands the RET670’s connectivity to legacy protocols (e.g., DNP3), ideal for hybrid substation environments.
- ABB SPC500: Power quality analyzer that integrates with the RET670 to monitor harmonic distortion and voltage flicker, supporting grid code compliance.
- ABB TB521 3BSE018284R1: Terminal block module for secure wiring of analog and digital signals, reducing installation errors by 30%.
- ABB 800xA Substation Automation System: Software platform for centralized management of RET670 relays, enabling advanced grid analytics and remote diagnostics.
Installation preparation: Mount the ABB RET670 1MRK002816-AB in a grounded control panel using the provided rack-mount brackets. Ensure proper spacing (≥50 mm) for heat dissipation and separate wiring of CT/PT signals from control cables to minimize EMI. Use shielded twisted-pair cables for IEC 61850 communication and terminate with surge protection devices in lightning-prone areas.
Maintenance suggestions: Perform annual functional tests using ABB’s Relion® Test Tool to verify protection settings and tripping accuracy. Monitor the relay’s internal temperature and communication status via the HMI or SCADA system, and update firmware biannually to incorporate the latest cybersecurity patches. In high-humidity environments, inspect for condensation and replace sealing gaskets every five years to maintain IP54 protection.
ABB guarantees the RET670 1MRK002816-AB to meet performance specifications for 36 months from delivery, with an optional 10-year extended warranty for critical grid applications. ABB’s global Grid Services team provides 24/7 remote diagnostics and on-site support by certified protection engineers, ensuring minimal downtime during fault events. For utilities, ABB offers Grid Automation Lifecycle Services, including relay testing, asset management, and compliance audits, designed to optimize system reliability and meet regulatory requirements.
In the rare event of hardware failure, ABB’s Priority Replacement Program delivers a pre-configured relay within 4 hours for transmission-level applications, backed by a network of ISO 17025-accredited calibration labs. The RET670 undergoes rigorous testing for EMC compliance, seismic resistance (IEEE 693), and functional safety, reflecting ABB’s commitment to delivering grid protection solutions that ensure energy security and sustainability.
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