ABB REF620 DIS0008 Feeder Protection and Control Relay Unit
Description
ABB REF620 DIS0008 Feeder Protection and Control Relay Unit is a dedicated feeder protection and control device from the ABB Relion® 620 product series, designed for protection, control, measurement, and monitoring of public and industrial power distribution systems including radial, loop, and mesh grids.
| Specification | Value |
|---|---|
| AC Current Inputs | 4 channels, 0.2/1A, 1/5A; continuous overload 4In, 1s overload 100In |
| AC Voltage Inputs | 5 channels, 60 to 210VAC; continuous overload 240VAC, 10s overload 60VAC |
| Auxiliary Power | 38 to 264VAC, 38 to 300VDC |
| Digital Inputs | 24 to 32 channels, 24 to 250VDC rated voltage |
| Digital Outputs | 14 to 18 channels, 250VAC/DC rated voltage |
| Communication Interfaces | 100BASE-TX RJ45, 100BASE-FX LC, RS-232/RS-485, fiber ST |
Key Features:
- Optional arc flash protection with 1 millisecond response speed
- Plug-and-play structure for fast installation, testing, and maintenance without power interruption to primary equipment
- Stores up to 1024 SOE events and 128 fault records with 1 millisecond time stamps
- Supports flexible networking with IEC 61850, MODBUS, DNP3, and IEC 60870-5-103 protocols, plus GOOSE peer-to-peer communication
- Large LCD display, 11 customizable LED indicators, and 16 programmable front-panel buttons
Applications:
- Public and industrial power distribution systems including radial, loop, and mesh grids
- Power, water, transportation, oil and gas, chemical, coal, metallurgy, data center, and new energy industries
Related Models:
- ABB REF620 IEC Feeder Protection and Control Relay
- ABB REF620 ANSI Feeder Protection and Controller
- ABB REF620 Configuration A Feeder Protection Unit