Busbar protection Relay REB611

Description

REB611 is a dedicated busbar protection relay for phasesegregated short-circuit protection, control, and supervision of single busbars. REB611 is intended for use in high-impedancebased applications within utility substations and industrial power systems. In addition, the protection relay can be utilized in restricted earth-fault and residual earth-fault applications for the protection of generators, motors, transformers and reactors. REB611 is a member of ABB’s Relion® product family and part of the 611 protection and control product series. The 611 series relays are characterized by their compactness and withdrawable-unit design.

Product benefits

• Preconfigured functions for busbar protection application
• The relays are delivered preconfigured and factory-tested to shorten engineering and commissioning time
• The compact design makes it suitable for both new and retrofit installations
• Withdrawable plug-in unit design for swift installation and testing

Product features

• Busbar and ideal multipurpose backup protection
• Powerful and user-friendly web-browser-based human machine interface (HMI) including input/output (I/O) matrix with visual selections
• Application-specific standard configuration resulting in shorter relay setup and commissioning time
• Supports IEC 61850 Editions 1 and 2, including binary GOOSE messaging
• Pre-configured solutions for utility distribution and industrial applications