Description
🔹 Product Description
The ABB REL670 1MRK002801-AA / 1MYN743301-F is a high-performance protection relay designed for power transmission and substation automation applications. It belongs to the ABB Relion® 670 series and provides advanced protection, control, monitoring, and communication functions for electrical power systems.
The REL670 is designed for line protection applications where fast fault detection, selective protection, and reliable system operation are required. It supports modern substation automation architectures and provides flexible configuration for transmission networks, utilities, and industrial power systems.
This ABB protection relay is suitable for maintenance, replacement, and expansion of existing protection systems. Before installation, verify the complete ordering code, hardware revision, firmware version, communication options, CT/VT configuration, and protection settings.
REL670 1MRK002801-AA
📋 Product Datasheet
• Brand: ABB
• Model: REL670
• Ordering Code: 1MRK002801-AA
• Additional Code: 1MYN743301-F
• Series: Relion® 670 Series
• Product Name: Line Differential Protection Relay
• Product Type: Numerical Protection and Control Relay
• Application: Power Transmission Line Protection
• Protection Function: Distance / Differential / Backup Protection
• Communication Interface: IEC 61850 / Substation Communication (Configuration Dependent)
• Mounting Type: Panel Mounted
• Power Supply: Station DC Supply
• Dimensions: Approx. 220 × 177 × 230 mm
• Weight: Approx. 5 kg
• Origin: Sweden / Europe
• Condition: New / Used Condition To Be Confirmed
🔧 Key Features
• ABB Relion 670 series protection technology
• Designed for transmission and substation protection applications
• Provides fast fault detection and protection coordination
• Supports flexible protection function configuration
• Integrated monitoring and event recording functions
• Supports modern substation communication systems
• Designed for utility and industrial power networks
• Suitable for system upgrades and replacement projects
⚙️ Application
The ABB REL670 Protection Relay is designed for protecting high-voltage and medium-voltage power transmission systems. It monitors electrical parameters and provides protection functions to isolate faults while maintaining system stability.
Typical applications include electrical substations, transmission networks, industrial power distribution systems, renewable energy grid connections, and utility automation projects.
For replacement applications, confirm the complete REL670 / 1MRK002801-AA / 1MYN743301-F identification, protection configuration, communication protocol, CT/VT inputs, firmware compatibility, and existing relay settings before commissioning.
❓ FAQ
Q1: What is the ABB REL670?
A: It is a numerical protection relay from ABB Relion 670 series designed for power system protection applications.
Q2: What is the main function of REL670?
A: It provides protection, control, monitoring, and communication functions for electrical transmission systems.
Q3: Where is REL670 used?
A: It is used in substations, transmission networks, and industrial power systems.
Q4: Can REL670 replace another ABB protection relay?
A: Replacement depends on the exact ordering code, hardware version, protection settings, and system configuration.
Q5: What should be checked before installation?
A: Verify relay model, firmware version, communication options, protection parameters, wiring connections, and application requirements.
⭐ Recommended ABB Models
- ABB REL670 | Line Differential Protection Relay
- ABB RED670 | Line Differential Protection Relay
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- ABB REC670 | Bay Control Unit
- ABB RET670 | Transformer Protection Relay
- ABB REG670 | Generator Protection Relay
- ABB REU615 | Voltage Protection Relay
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- ABB REF542plus | Feeder Protection and Control Unit
