Main advantages

• Devices can be used for a wide range of applications
• Ranging from simple protection devices as back-up protection to specialised protection devices
• Well-established and modern technology
• Arc detection as an option
• The REF620 is a member of the 620 Protection, Measurement and Control product family within the ABB Relion® product family.
• Key benefits
• Protection, control, monitoring and management integrated in a single relay provides a compact and versatile solution for public and industrial power distribution systems
• Wide range of protection and control functions, either with sensors or conventional CTs and PTs
• Functional scalability and wide range of applications allow users to easily customise configuration applications to meet specific requirements
• Pluggable design for quick installation and testing
• Large LCD screen with single-line graphic display, accessible locally or via an easy-to-connect and navigate HMI
• Thoughtful product lifecycle service
• Key Features
• Wide range of protection and control functions for incoming or outgoing applications
• Multi-frequency conductive earth protection package with high sensitivity and selectivity
• Advanced and fast short-circuit and earth-fault location functions
• Several optional function packages – for distributed generation, capacitors, basic motor and arc-light protection
• Supports IEC61850 Version 1 and 2, including redundant HSR and PRP, GOOSE and IEC61850-9-2
• Supports Modbus, DNP3, IEC 60870-5-103 communication protocols and different time synchronisation methods, including IEEE 1588 v2 precision time protocols