| Item condition | New | 
| Manufacture name | 7SR5421-2AA12-0AA0 Transformer prot. 7SR54 8 curr. trans., 4 volt. trans., 17 BI, 10 BO Standard interface: 1 x USB (front), RS 485 (rear) + | 
| Brand | Siemens | 
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| Packing level 1 | 4025515746294 |