REF620

Overview

The REF620 is an ABB Feeder Protection and Control device designed to provide advanced protection and control features for feeders in electrical systems. It includes comprehensive communication support, configurable LED indicators, and a versatile keypad for efficient operation.

Protection Indicators & Keypad

• Protection Indicators:

• Ready, Start, and Trip LEDs above the display

• 11 matrix programmable LEDs

• 16 programmable push-buttons with LEDs

• Configuration via PCM600 and operation mode selection through LHMI, WHMI, or PCM600

• Keypad Features:

• Push-buttons to navigate menus and views

• Control functions for circuit breakers, contactors, and disconnectors

• Alarm acknowledgment, reset indications, help, and switching between local and remote control modes

Communication Protocols

• Supported Protocols:

• IEC 61850, IEC 60870-5-103, Modbus®, and DNP3

• Operational information and controls available through these protocols

• Horizontal communication enabled by IEC 61850

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