Description
The REF620 is a dedicated feeder management relay designed for protecting, controlling, measuring, and supervising utility and industrial power distribution systems. It is suitable for various network configurations, including radial, looped, and meshed networks, with or without distributed power generation.
Specifications
-
Protection Functions: Overcurrent, earth fault, phase discontinuity, and more
-
Communication Protocols: IEC 61850 Editions 1 and 2, Modbus, DNP3, IEC 60870-5-103
-
Time Synchronization: IEEE 1588 V2 Precision Time Protocol
-
Display: Large graphical display for customizable single-line diagrams (SLDs)
-
Design: Withdrawable plug-in unit for easy installation and testing
Features
-
Extensive Protection and Control: Offers a wide range of protection and control functions for both incoming and outgoing feeders
-
High Sensitivity and Selectivity: Advanced earth-fault protection with multifrequency admittance-based detection
-
Scalability: Provides functional scalability and configuration options to meet specific application needs
-
Communication Redundancy: Supports High-availability Seamless Redundancy (HSR) and Parallel Redundancy Protocol (PRP) for reliable and supervised communication
-
User-Friendly Interface: Accessible via a web-browser-based HMI for ease of use
