REF620 | ABB | Feeder Protection And Control
Description
REF620 Feeder Protection And Control is a dedicated feeder protection and monitoring device from ABB, part of the Relion® 620 product series. It provides integrated protection, control, measurement, and monitoring for public and industrial power grids, including radial, loop, and meshed network configurations.
| Specification | Value |
|---|---|
| Rated Voltage | 10kV to 36kV |
| Rated Current | 1A to 6000A |
| Breaking Capacity | 10kA |
| Protection Grade | IP20 |
| Operating Temperature | 0 to 85 degrees Celsius |
| Humidity Range | 0% to 95% (non-condensing) |
Key Features:
- Provides overcurrent, ground fault, and multi-frequency admittance ground fault protection for ungrounded, resistance-grounded, and impedance-grounded networks
- Supports multiple communication protocols including IEC 61850, DNP3, IEC 60870-5-103, and Modbus, with PRP/HSR redundant Ethernet and RSTP ring network self-healing for high reliability
- Flexible configurations with single or double bus options, support for 1 or 2 circuit breakers, and expandable I/O via ABB RIO600 remote I/O devices
- Includes optional function packages for distributed generation, capacitor banks, basic motor protection, and arc protection
Applications:
- Public and industrial power grid feeder protection, including radial, loop, and meshed networks
- Substation automation systems and smart grid infrastructure
- Industrial distribution systems in steel, chemical, and paper manufacturing
- Renewable energy integration for solar and wind farm collection lines
Related Models:
- REF620 NBFNAANNNDA1BBN1XF
- REF620E-1G
- REM620