ABB REB611 Busbar Protection Numerical Relay Module Hard Drive Assembly Model Number: UR 8FH

Model Number: UR 8FH

It ensures safe transformer operation and rapid fault isolation in demanding environments

WEEE Category: 5 (Small Equipment — No external dimension more than 50 cm)

Output Channels: 16 isolated relay outputs

It provides isolated 70 VDC for contact wetting when powering EXTB and ECTB modules

ABB REB611 Busbar Protection Numerical Relay Module Hard Drive Assembly Model Number: UR 8FHDescription The ABB REB611 is a numerical busbar protection relay module designed for mediumvoltage substations, providing fast differential protection, reliable fault isolation, and seamless integration into modern protection schemes. Specifications Model: ABB REB611 Protection Type: Numerical busbar differential protection Application Voltage Level: Mediumvoltage distribution substations Current Inputs: 1 A 5 A CT selectable Rated Frequency: 50 60