ABB REF620E-F Digital Relay Protection Module
The ABB REF620E-F is a high-performance digital relay protection module designed for electrical distribution systems. It offers advanced fault detection and protection functions to ensure reliable operation in industrial environments.
Brand:ABB
Model:REF620E-F
Type:Digital Protection Relay
Protection Functions:Overcurrent, Overvoltage, Ground Fault
Rated Current:Up to 600A
Frequency Range:45 Hz to 65 Hz
Operating Voltage:AC 220V
Communication Interface:RS485 Modbus RTU
Dimensions:95 x 95 x 95 mm
Weight:1.2 kg
The ABB REF620E-F is an advanced protection relay module designed to provide precise protection and monitoring capabilities for industrial power systems. With its robust design and comprehensive features, it ensures reliable operation in various environmental conditions.
This protection relay module is built to meet the highest industry standards and is equipped with advanced overcurrent, earth fault, and overvoltage protection functions. Its RS485 Modbus RTU communication interface enables seamless integration with existing control systems.
The REF620E-F is designed to operate within a wide input voltage range of 100 – 250 VAC and a frequency range of 45 – 65 Hz, making it suitable for a variety of power system applications. Its operating temperature range from -25°C to +70°C ensures reliable performance in extreme environments.
With a protection rating of IP20, the ABB REF620E-F is housed in a durable enclosure that protects internal components from dust and small objects. This makes it ideal for use in industrial settings where harsh conditions are common.
Installation and maintenance of the ABB REF620E-F are straightforward, thanks to its user-friendly design. Its compact size allows for easy installation in crowded control panels, and clear instructions make setup and troubleshooting simple.












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