RET620 | ABB | Transformer Protection And Control
Description
RET620 Transformer Protection and Control Device is a dedicated intelligent electronic device from ABB’s Relion 620 series, designed for protection, control, measurement, and supervision of two- or three-winding power transformers and generator-transformer blocks in utility and industrial power systems.
| Specification | Value |
|---|---|
| Operating Voltage Range | 100-240V AC/DC |
| Operating Frequency | 50/60Hz |
| Operating Temperature Range | -40 to 70 degrees Celsius |
| Dimensions | 240mm x 160mm x 90mm |
| Weight | 2.5kg |
| Mounting Method | 35mm DIN rail |
| Supported Communication Protocols | IEC 61850, DNP3, Modbus |
Key Features:
- Comprehensive protection including differential, surge current braking, earth fault, overexcitation (V/Hz), and optional arc flash detection
- Highly flexible communication with support for IEC 61850 GOOSE messages, redundant Ethernet, and web-based remote access
- Configurable function blocks to adapt to diverse application requirements and future technology updates
- Large LCD display with editable single-line diagrams and intuitive local or web-based human-machine interface
- Robust hardware and software design for stable operation in harsh industrial environments
Applications:
- Utility substations and industrial power distribution systems
- Power plants, hydroelectric facilities, and generator-transformer blocks
- Smart grid and renewable energy integration projects
- Data centers and communication base stations for critical power asset protection
Related Models:
- REM620 Motor Protection and Control Relay
- REX620 Feeder Protection and Control Relay
- RER620 Recloser Control Relay