ABB REG670 1MRK002826-AC

ABB REG670 is a multifunctional protection relay developed by ABB, widely used in power systems for the protection and control of generators, motors, transformers, and other equipment. Its technical parameters and functions are described in detail across multiple sources.

According to available information, the ABB REG670 is part of the ABB Relion® 670 series, designed specifically for medium- and high-voltage power systems. It offers comprehensive protection, control, monitoring, and automation capabilities. Key technical specifications include both analog and digital input/output channels, support for multiple industrial communication protocols, built-in Ethernet and fiber-optic interfaces, high-precision time synchronization, and a wide voltage and frequency range. Core functions cover power system protection, advanced features such as adaptive protection and disturbance recording, as well as real-time monitoring and automation logic. Typical applications include transmission lines, substations, industrial power systems, and renewable energy grid integration.

More detailed specifications indicate an input voltage range of 24–240V AC / 12–120V DC, an output voltage range of 24–240V AC / 12–120V DC, an operating temperature range of -20°C to +60°C (with some sources specifying -40°C to +70°C), protection ratings of up to 110kV and currents up to 1000A, communication protocol support for Modbus, Profibus, Profinet, Ethernet/IP, etc., 16-channel digital inputs, 8-channel digital outputs, weight of 2.5 kg, and an IP65 protection class. In addition, the device features high reliability, flexibility, and intelligent design, supports multiple communication protocols and interfaces, and is easy to integrate with other equipment and systems.

Other sources note that the REG670 operates at a frequency of 50/60Hz, supports an extended operating temperature range of -40°C to +70°C, and is equipped with a high-resolution display and user-friendly interface. The ABB REG670 is also recognized for its high-precision measurements, fast response, flexible configuration, and ease of integration, supporting various communication interfaces such as Ethernet, RS-485, and Modbus.

Overall, the ABB REG670’s technical specifications cover electrical parameters, communication interfaces, environmental operating conditions, and functional features, making it suitable for a wide range of protection and control applications in power systems.

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