Description
ABB RET670 1MRK002816-AB
It is a transformer protection relay, belonging to ABB’s famous Relion® 670 series product family
Core Functions
Fast low-impedance differential protection (applicable to two-winding, three-winding, and autotransformers)
Multiple protections including overcurrent, ground fault, zero-sequence current, and over/undervoltage
Support for multiple communication protocols, including IEC61850 and Modbus TCP, enabling local/remote control and data acquisition
Modular design: Utilizing plug-in functional modules, 1MRK002816‑AB typically refers to the core processing/communication unit, which is the relay’s “CPU” module and can be combined with other modules such as power, I/O, and communication.
Typical Specifications
Rated Power Supply: 85-265VAC/DC
Operating Temperature: -25°C to +70°C
Dimensions: approximately 200mm × 150mm × 80mm, weight: approximately 1.5kg
Supports advanced IEC61850 features such as dual-fiber Ethernet, GOOSE, and SV
Applicable Scenarios
High-voltage/ultra-high-voltage transmission lines (110kV and above)
Differential and integrated protection for key equipment such as substation transformers, shunt reactors, and step-up transformers
Smart grid automation systems requiring high-speed, reliable communications
Technical Specifications Summary
Application: Primarily used for protecting two- or three-winding power transformers.
Standards: Complies with multiple international standards, including IEC and IEEE.
Communication Protocols: IEC 61850, IEC 60870-5-103, DNP3.0, Modbus RTU, etc.
Power Supply: Typically supports a variety of DC or AC power options (depending on the order model).
Mounting: Standard 19-inch rack mount or panel mount.
Sales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
Frequently Asked Questions:
1. How long does it take to receive the goods?
We have stock in stock and can accept same-day payment and delivery!
2. What payment methods do you accept?
There are many methods (T/T…) for you to choose from, and you can choose whatever you want.
3. Is there after-sales service?
Of course, if our products are brand new, they have a one-year warranty!
4. What courier services do you accept? We offer SF Express, DHL, and other international express delivery options.
5. How can I contact you?
You can contact me 24/7 via WeChat, Skype, WhatsApp, LINE, and my email!
ABB company overview：
1. Basic Information
Full Name: ABB Ltd. (Swiss-Swedish multinational corporation)
Founded: 1988, through the merger of Swedish ASEA and Swiss BBC (Brown Boveri & Cie)
Headquarters: Zurich, Switzerland
Employees: Approximately 100-110,000, with operations in over 100 countries and regions
2. Business Areas
ABB’s business is primarily divided into four segments:
Electrification (Power): Includes high-voltage and medium-voltage switchgear, transformers, and distribution systems, serving power, utility, and industrial customers
Process Automation: PLCs, drives, sensors, and real-time control and optimization systems
Motion & Robotics: Motors, drives, industrial robots, and collaborative robots (such as YuMi)
ABB Ability™: Embeds software, IoT, and AI technologies into these hardware components to enable remote monitoring, predictive maintenance, and energy management
3. Global Presence and Markets
ABB operates in 100 countries worldwide. With branches and R&D centers in multiple countries, ABB employs approximately 105,000-110,000 people. Its operations in China began in 1907 and now include a comprehensive R&D, manufacturing, sales, and engineering services system. In 2025, the company will continue to advance key projects globally, including Industry 4.0, renewable energy, and smart grids.
4. Key Technologies and Innovations
High-Voltage Direct Current (HVDC): Developing and deploying the world’s first commercial HVDC systems.
Industrial Robotics: ABB offers world-leading robotics and discrete automation solutions, with three new robot series to be launched in China in 2025.
Digital Transformation: The ABB Ability platform deeply integrates software and hardware to provide Industrial Internet of Things (IIoT) and AI-driven optimization services.
5. Sustainability and Goals
ABB has made achieving climate neutrality by 2030 a core goal, actively investing in renewable energy, improving energy efficiency, and promoting low-carbon technologies. By helping customers reduce carbon emissions through digitalization and electrification, ABB has achieved more efficient and sustainable operating models across multiple industries.
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