Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB RET670 1MRK004816-AC |
| Manufacturer | ABB |
| Product Category | Numerical Protection Relay |
| Series | Relion® 670 Series |
| Protection Functions | Distance, Overcurrent, Earth Fault, Breaker Failure |
| Input Voltage | 48-250V DC / 100-240V AC |
| Communication | IEC 61850, PROFIBUS, Modbus |
| Measurement Accuracy | ±0.5% for current, ±0.2% for voltage |
| Operating Temperature | -25°C to +55°C |
| Housing | IP40 (front panel IP54) |
| Dimensions | 177 × 190 × 150 mm |
| Weight | 3.5 kg |
| Certifications | IEC 60255, IEEE C37.90, UL 508 |
ABB RET670 1MRK004816-AC
Product Introduction
The ABB RET670 1MRK004816-AC is a high-performance numerical protection relay from ABB’s Relion® 670 series, designed for transmission and distribution networks. This advanced relay provides comprehensive protection, control, and monitoring for overhead lines, cables, and substation feeders.
Engineered for utilities and industrial power systems, the RET670 combines high-speed protection algorithms with advanced communication capabilities, making it ideal for smart grid applications. Its modular design allows for flexible configuration to meet specific protection requirements.
Core Advantages and Technical Highlights
Advanced Protection Functions
Distance protection (Zones 1-4)
Directional overcurrent protection (67/67N)
Earth fault protection (50N/51N)
Breaker failure protection (50BF)
Auto-reclosing (79)
Power swing detection (68)
Precision Measurement
Sampling rate: 64 samples/cycle
±0.5% current measurement accuracy
±0.2% voltage measurement accuracy
Power quality monitoring (harmonics, flicker)
Robust Communication
IEC 61850 Ed.2 (GOOSE, MMS)
PROFIBUS DP
Modbus RTU/TCP
DNP3.0 protocol
User-Friendly Features
Large graphical LCD display
Intuitive HMI with navigation buttons
Web-based configuration via PCM600
Event recorder (1000 events)
Disturbance recorder (64 samples/cycle)
Durability & Reliability
Wide temperature range (-25°C to +55°C)
EMC immunity per IEC 60255-26
Sealed front panel (IP54)
Vibration and shock resistant
ABB RET670 1MRK004816-AC
Typical Application Scenarios
Transmission Networks
Overhead line protection (220kV and below)
Busbar backup protection
Transformer feeder protection
Distribution Systems
Industrial plant feeders
Ring main unit protection
Cable feeder protection
Renewable Energy
Wind farm collector lines
Solar PV grid connections
Railway Electrification
25kV/50Hz AC traction supply
Autotransformer feeder protection
Related Model Recommendations
ABB REF670 – Feeder protection relay
ABB REG670 – Generator protection relay
ABB REB670 – Busbar protection relay
ABB REC670 – Controller for bay control
ABB RED670 – Transformer differential relay
ABB RES670 – Capacitor bank protection
ABB REL670 – Line differential relay
Installation, Commissioning & Maintenance
Installation Guidelines
Mount on standard 19″ rack or panel mount
Ensure proper clearance for ventilation
Use shielded cables for CT/VT connections
Verify polarity of current transformers
Commissioning
Configure using PCM600 software
Perform ratio and angle compensation
Test protection functions via secondary injection
Verify GOOSE communication (if applicable)
Maintenance
Annual functional testing recommended
Firmware updates via PCM600
Periodic contact inspection
Battery replacement every 5 years (for clock backup)
Service & Warranty Commitment
36-month standard warranty
24/7 global technical support
On-site commissioning assistance
Firmware updates for 10+ years
Repair and recalibration services
Training programs for protection engineers
Conclusion
The ABB RET670 1MRK004816-AC represents state-of-the-art protection technology, combining advanced algorithms, precise measurements, and robust communication in a single device. Its modular design and flexible configuration make it suitable for various power system applications, from transmission networks to industrial plants.
