Voltage & Frequency Protection
ADR242B
ANSI: 25 | 27 | 47 | 59 | 59N | 74 | 81O/U | 81R | 86 | VTS/60
Features
- Multifunction relay with four independent settings groups for overhead lines, underground cables, and distributed feeders.
- Provides protection for under and over voltage, residual voltage, phase sequence, frequency, and sync check.
- Equipped with disturbance recording, event recording, fault recording, and metering functions.
- Supports SCADA communication via IEC60870-5-103, MODBUS, and IEC61850 protocols with Ethernet/RS485 ports.
- Includes features like password protection, programmable I/O, and user-friendly operation with an LCD display.
