The document describes the features and benefits of the ABB REJ601 Numerical Relay, which is a dedicated feeder protection relay intended for protecting utility and industrial power systems. It provides optimized protection and monitoring functionality in a single unit with best-in-class performance and usability. It supports both current transformer and Rogowski current sensor interfaces to allow for compact medium voltage switchgear. Its main functions include protection for overhead lines, cables, and distribution transformers.

2. Features & Benefits ABB FEEDER PROTECTION
REJ601 NUMERICAL RELAY Features & Benefits
● ABB REJ601 Numerical relays are dedicated feeder
protection relays intended for the protection of utility &
industrial power systems in primary as well as secondary
distribution networks.
● The relays provide optimized compositions of protection &
monitoring functionality in 1 unit with the best performance
& usability in its class
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3. Features & Benefits ABB FEEDER PROTECTION
REJ601 NUMERICAL RELAY Features & Benefits
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● Besides the conventional current transformer interface-based
variant it also supports a variant based on the Rogowski
current sensors analog interface.
● This helps get a compact medium voltage switchgear
equipment size decrease with improved performance &
standardization.

4. Scope
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● Main protection for overhead lines & cable feeders in
solidly earthed, resistance-earthed/isolated networks
● Inrush current stabilization function especially for
distribution transformers

5. Product Benefits
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● Compact, flexible & simple to handle
● Speedy commissioning with selective test function for protection functions, binary
signals as well as communication features
● Easily configurable binary inputs & outputs
● Extensive self-supervision of the relays hardware & software etc.

6. Product Features
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● Overcurrent, earth-fault, negative-phase sequence & thermal-overload protections,
inrush current detection, phase-discontinuity, reclosing and measurement
● Preconfigured functionality facilitates easy & fast commissioning
● Universal power supply 24-265 V AC/DC
● Configurable binary inputs/outputs utilising local HMI or communication interface
etc.

7. www.dsgenterprisesltd.com 91-7021624024
marketing@dsgenterprises.in
We Digital & Smart Grid Enterprises are Reliable ABB Numerical Relay, Auxiliary
Relay & ABB MV Product dealers. We offer genuine products that are cost-efficient,
durable and reliable. ABB FEEDER PROTECTION REJ601 NUMERICAL RELAY can
enhance the function and operations of multiple types of equipment and elevate
their overall functionality. We also offer a wide range of services & customized
solutions for multiple leading Industries & Panel Builders. You can contact us at
+917021624024 or mail us at marketing@dsgenterprises.in. We also deal in a wide
range of products in ABB.