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.
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Thytronic
Differential Protection Relay
The XMR-T relay, part of the XMORE platform, provides complete protection for two- or three-winding transformers in medium voltage applications.
Download datasheet (PDF, 2.5 MB)Key specifications
| Application | 2- or 3-winding transformer protection (MV) |
|---|---|
| Protection functions | 87T, 64REF, 87NHIZ, 50/51, 50N/51N, 67N, 46, 49, 37, 24, 27, 59, 59N, 81O/81U, BF, 74CT, 74TCS; 26 and 86 with optional modules |
| 87T | double-slope biased differential with 2nd harmonic restraint |
| Current inputs | 11 phase + 1 residual, 1 A or 5 A (with external analog input module) |
| Binary inputs | 7–53; output relays: 7–31 (8 A) |
| Auxiliary supply (nominal) | 24–110 Vac/Vdc or 110–230 Vac/Vdc |
| Protocols | IEC 61850 Ed.2, Modbus RTU/TCP, IEC 60870-5-103, DNP3 |
| Redundancy/time sync | HSR, PRP, RSTP; SNTP, IEC 1588 |
| Rated frequency | 50/60 Hz |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
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