Digital measuring relay for the supervision of 2-, 3- and 4-leading nets on inadmissible about or undervoltages (earth fault) with phases result supervision (ANSI 27 and 59).
With RS485 interface.
- Nominal voltage Vn: 100,110, 230, 400 V AC (Line-to-line)
- Nominal frequency fN: 35 – 66 Hz
- Auxiliary voltage VV: 36-520 V AC (f = 35-78 Hz) or 50-750 V DC/4 W
