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ABB REL670 Line Distance Protection Relay
Item NO.:
REL670Payment:
T/TPrice:
$1500Product Origin:
ChinaColor:
NEWLead Time:
In stockWe will arrange delivery within 3-5 days after receiving the payment.
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The ABB REL670 is a high-performance line distance protection relay designed for transmission and distribution power systems.
It provides fast, reliable, and selective protection of overhead lines, busbars, and cable feeders.
With advanced digital algorithms, wide communication options, and extensive monitoring and control capabilities, the REL670 ensures high system stability, reduced downtime, and effective fault isolation.
The relay is part of ABB’s protection and automation platform for substation applications, offering integration with SCADA/DCS systems and IEC 61850 communication standards.
| Parameter | Description |
|---|---|
| Model | REL670 |
| Type | Line Distance Protection Relay |
| Function | Distance protection, backup protection, event recording, and monitoring |
| Rated System Voltage | Up to 72.5 kV (medium voltage) / 245 kV (high voltage) depending on configuration |
| Frequency | 50/60 Hz |
| Current Input | Current transformers (CTs), up to 5 A nominal |
| Voltage Input | Voltage transformers (VTs), up to 110 V AC or DC nominal |
| Protection Functions | 21 (distance), 67 (directional overcurrent), 50/51 (instantaneous/overcurrent), 32 (directional power), 59 (overvoltage), 27 (undervoltage), 79 (auto-reclosing) |
| Communication Interfaces | IEC 61850, Modbus, DNP3, PROFIBUS, Ethernet TCP/IP |
| Analog and Digital I/O | Multiple configurable inputs and outputs for control, monitoring, and trip signaling |
| Operating Temperature | -25 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Mounting | 19-inch rack or panel mounting |
| Display | Graphical LCD with HMI keypad |
| Event and Fault Recording | Up to 15,000 events with time-stamped fault records |
| Compliance | IEC 60255, IEC 61850, CE, UL |
Fast and selective protection – High-speed fault detection and isolation to minimize system disturbances.
Advanced distance protection algorithms – Multiple zones and adaptive settings for complex networks.
Integrated automation functions – Supports auto-reclosing, breaker control, and interlocking.
Comprehensive monitoring – Event logs, fault records, and waveform capture for post-fault analysis.
Flexible communication – IEC 61850 and other industrial protocols for SCADA/DCS integration.
High reliability – Designed for harsh electrical environments with electromagnetic compatibility (EMC).
User-friendly interface – Graphical LCD display and intuitive keypad for easy operation and configuration.
Scalable configuration – Supports multiple lines, feeders, and buses in one device.
Transmission line protection for medium- and high-voltage networks
Backup protection for busbars and feeders
Industrial substations and generation plants
Grid automation and SCADA/DCS monitoring integration
Protection of radial, looped, or meshed network configurations
Verify voltage and current transformer ratings before installation.
Ensure proper grounding and connection to meet IEC 60255 and EMC standards.
Maintain clearances for ventilation to prevent overheating.
Disconnect auxiliary and measurement circuits before maintenance.
Configure relay settings according to system topology and coordination studies.
Regularly test and verify trip logic and communication links.
The structure and details of the product：
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