Line differential protection – SIPROTEC 7SD87
SIPROTEC 7SD87 differential protection device for selective protection and 1-and 3-pole tripping of overhead lines and cables with single-ended and multi-ended infeed of all lengths with up to 6 ends. Transformers and compensating coils in the protection range are also possible.
![Line differential protection – SIPROTEC 7SD87 Line-differential-protection-SIPROTEC-7SD87](https://assets.new.siemens.com/siemens/assets/api/uuid:edb54f64-3cb7-41eb-be0f-b1d88474ab38/width:100/quality:low/Line-differential-protection-SIPROTEC-7SD87.png)
SIPROTEC 7SD87 differential protection device for selective protection and 1-and 3-pole tripping of overhead lines and cables with single-ended and multi-ended infeed of all lengths with up to 6 ends. Transformers and compensating coils in the protection range are also possible.