2 620 series overview
2.1 Overview
620 series is a product family of relays designed for protection, control,
measurement and supervision of utility substations and industrial switchgear and
equipment. The design of the relay has been guided by the IEC 61850 standard for
communication and interoperability of substation automation devices.
The protection relays feature draw-out-type design with a variety of mounting
methods, compact size and ease of use. Depending on the product, optional
functionality is available at the time of order for both software and hardware, for
example, ARC protection.
The 620 series protection relays support a range of communication protocols
including IEC 61850 with GOOSE messaging, IEC 61850-9-2 LE, IEC 60870-5-103,
Modbus
®
and DNP3.
2.1.1 Product series version history
Product series
version
Product series history
2.0
New products:
• REF620 with configurations A and B
• REM620 with configuration A
• RET620 with configuration A
2.0 FP1
New configuration
• REM620 B
Platform enhancements
• IEC 61850 Edition 2
• Support for IEC 61850-9-2 LE
• Currents sending support with IEC 61850-9-2 LE
• Synchronism and energizing check support with IEC 61850-9-2 LE
• IEEE 1588 v2 time synchronization
• Configuration migration support
• Software closable Ethernet ports
• Report summary via WHMI
• Multifrequency admittance-based E/F
• Fault locator
• Profibus adapter support
• Setting usability improvements
620 series overview
1MRS757644 H
36 620 series
Technical Manual
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