Product data

Main  & Complementary  

The REF615 is a dedicated feeder IED perfectly aligned for the protection, control, measurement and supervision of utility substations and indust- rial power systems. REF615 is a member of ABB’s Relion® family and a part of its 615 protection and control product series. The 615 series IEDs are characterized by their compactness and withdra- wable design. Engineered from the ground up, the 615 series has been designed to unleash the full potential of the IEC 61850 standard for communi- cation and interoperability of substation automati- on devices.

Unique REF615 ANSI features

• Six setting groups

• Drawout design

• Underground, overhead cable fault detection (CFD)

• High-speed (< 1 ms) outputs

• High impedance (HIZ) fault detection

• Arc flash detection (AFD)

• Thermal overload protection of feeder cable

• Ring-lug terminals for all inputs and outputs

• Large, easy to read LCD screen

• Environmentally friendly design with RoHS compliance

The REF615 provides main protection for over- head lines, cable feeders, and busbar systems of distribution substations. It can be applied for pro- tection and control of grounded and ungrounded distribution systems. Flexible order coding allows for choosing current-only or current-and-voltage configurations to best fit your distribution feeder application needs.

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