REF601/REJ601 Feeder Protection Relay

Description

REF601/REJ601 is a dedicated feeder protection relay, intended for the protection of utility substations and industrial power systems, in primary and secondary distribution networks. It is a member of ABB Relion® product family and part of its 605 series. The relay provides an optimized composition of protection, monitoring, and control functionality in one unit, with the best performance usability in its class and is based on ABB’s in-depth knowledge of protection and numerical technology.

Product Benefits

• Compact, flexible and simple to handle
• Speedy commissioning through selective test function for protection functions, binary signals and communication features
• Easily configurable binary inputs and outputs
• Extensive self-supervision of the relay hardware and software
• Enhanced safety with usage of sensors variant / detachable terminals with CT shorting facility
• Press fit mounting arrangement facilitates easy and fast installation
• Less number of variants, easy to stock

Product Features

• Overcurrent, earth-fault, phase-discontinuity, negative-phase sequence and thermal-overload protections, inrush current detection, circuit-breaker control, reclosing and measurement
• Preconfigured functionality facilitates easy and fast commissioning
• Universal power supply 24 - 265 V AC/DC
• Configurable binary inputs/outputs using local HMI or communication interface
• Site selectable CT selection (1 or 5A), Boolean logic and timers
• Site selectable Modbus RTU and IEC 60870-5-103 protocols
• Easy upload of fault recorded information like events, fault records and disturbance records from front USB port