Section 3
620 series overview
3.1
Overview
620 series is a product family of protection relays designed for the protection, control,
measurement and supervision of utility substations and industrial switchgear and
equipment. The design of the protection relays 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, autoreclosure
and additional I/Os.
The 620 series protection relays support a range of communication protocols including
IEC 61850 with GOOSE messaging, Modbus
®
and DNP3.
3.2
Local HMI
The LHMI is used for setting, monitoring and controlling the protection relay. The LHMI
comprises the display, buttons, LED indicators and communication port.
1MAC456939-IB D
Section 3
620 series overview
620 series ANSI
19
Operation Manual
