Description
The ABB REB611 is a numerical busbar protection relay designed for single busbar applications, providing fast and selective short-circuit protection with integrated communication and supervision functions.
Specifications
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Model Number: REB611
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Manufacturer: ABB
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Type: Busbar Protection Relay
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Series: Relion® 611 protection and control family
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Application: Single busbar short-circuit protection, restricted/residual earth-fault protection
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Configuration: Delivered preconfigured and factory-tested for reduced commissioning time
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Communication: Supports redundant protocols (HSR/PR) for digital substations
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Certification: IEC-compliant numerical relay technology
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Integration: Compatible with ABB Relion® series for utility and industrial power systems
Features
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Dedicated Busbar Protection: Provides fast and selective short-circuit protection for single busbars
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Preconfigured Functions: Simplifies engineering and commissioning with ready-to-use setup
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Multipurpose Backup Protection: Can protect generators, motors, transformers, and reactors
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Self-Healing Communication: Ensures reliable data exchange with redundancy support
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Relion® Family Integration: Seamlessly fits into ABB’s 611 series ecosystem
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Industrial Reliability: Designed for substations and heavy industrial power systems
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