ABB|REB611 HBAADC1NN11G|Busbar and Multipurpose Differential Protection and Control
Description
The ABB REB611 is a high-performance busbar and multipurpose differential protection and control IED, designed for advanced protection functions, communication options, and user interfaces in substation automation.
Features
- High-impedance differential protection
- Non-directional earth-fault protection
- Circuit breaker failure protection
- Three-phase current measurement
- Ethernet and RS485 communication
Technical Specifications
Environmental Conditions
- Operating temperature: -25°C to +55°C (continuous), -40°C to +85°C (short-term)
- Relative humidity: < 93%, non-condensing
- Atmospheric pressure: 86 to 106 kPa
Power and Consumption
- Power consumption: 10 to 20 mW
- Current consumption: 2 to 4 mA
Time Synchronization
- IRIG-B formats: B004, B005
Display and Interface
- Four-line LCD display
- Local/remote operation via push buttons (L/R)
Communication
- Ethernet: 100Base TX (RJ45)
- RS485 (including IRIG-B)
- Communication protocols: IEC 61850, Modbus
Protection Ratings
- Front panel IP rating: IP 54
- Rear side IP rating: IP 20
ABB|REB611 HBAADC1NN11G|Busbar and Multipurpose Differential Protection and Control


ABB|REB611 HBAADC1NN11G|Busbar and Multipurpose Differential Protection and Control
Description
The ABB REB611 is a high-performance busbar and multipurpose differential protection and control IED, designed for advanced protection functions, communication options, and user interfaces in substation automation.
Features
- High-impedance differential protection
- Non-directional earth-fault protection
- Circuit breaker failure protection
- Three-phase current measurement
- Ethernet and RS485 communication
Technical Specifications
Environmental Conditions
- Operating temperature: -25°C to +55°C (continuous), -40°C to +85°C (short-term)
- Relative humidity: < 93%, non-condensing
- Atmospheric pressure: 86 to 106 kPa
Power and Consumption
- Power consumption: 10 to 20 mW
- Current consumption: 2 to 4 mA
Time Synchronization
- IRIG-B formats: B004, B005
Display and Interface
- Four-line LCD display
- Local/remote operation via push buttons (L/R)
Communication
- Ethernet: 100Base TX (RJ45)
- RS485 (including IRIG-B)
- Communication protocols: IEC 61850, Modbus
Protection Ratings
- Front panel IP rating: IP 54
- Rear side IP rating: IP 20