Thytronic
OverCurrent Relay
The NA011 feeder protection relay suits radial networks, handling long feeders in grounded systems and shorter ones in ungrounded setups to prevent capacitive fault tripping.
- Generation
- Substation
Thytronic
Over/Under Voltage Relay
The Thytronic NV10B relay provides voltage protection (undervoltage 27, overvoltage 59 and residual overvoltage 59N) for HV, MV and LV networks and electrical machines, for system decoupling, load shedding and loss of main.
Download datasheet (PDF, 3.1 MB)Key specifications
| Protection functions | 27 undervoltage, 59 overvoltage, 59N residual overvoltage, BF, 74TCS |
|---|---|
| Applications | system decoupling, load shedding, loss of main (islanding) |
| Voltage inputs | 3-phase, 50–130 V (UR 100 V) or 200–520 V (UR 400 V); residual 50–130 V |
| Rated frequency | 50 / 60 Hz (frequency metered) |
| Auxiliary supply | 24–48 Vac/dc or 115–230 Vac / 110–220 Vdc |
| I/O | 2 binary inputs, 6 output relays (8 A, 250 Vac), expandable via add-on modules |
| Communication | front USB; RS485 Modbus RTU / IEC 60870-5-103 / DNP3; Ethernet Modbus TCP/IP |
| Recording | 300 events, 20 faults, COMTRADE oscillography (licence) |
| Mounting | flush, projecting, rack or separate operator panel; 2.0 kg |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
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