Siemens 7SR2422-2NA11-0BA0
MPN7SR2422-2NA11-0BA0
Duobias-M Transformer Differential Relay
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Specifications
| Parameter | Value |
|---|---|
| Model | 7SR2 = Multifunctional 2- Winding Transformer Differential |
| Protocol | 1 = IEC 60870-5-103 and Modbus RTU (user selectable setting) |
| Type | 2 = Differential 2 Winding |
| Product type | Duobias-M Transformer Differential Relay |
| Measuring input | 2 = 1/5 A, 40 - 160V, 50/60Hz |
| Auxiliary voltage | N = PSU Rated: 24-250V DC / 100-230V AC. Binary Input threshold 88V DC (Rated: 110-250V DC) |
| Protection product | 4 = Transformer |
| Case i (O and fascia) | 2 = E8 case, 6 CT, 2 EF/REF CT, 1 VT, 9 Binary Inputs / 6 Binary Outputs, 16 LEDs |
| Communication interface | 1 = Standard version – included in all models, USB front port, RS485 rear port |
| Protection function packages | B = Option B: Standard version – plus |
MPN
7SR2422-2NA11-0BA0