Siemens 7SR5121-2AA26-0AA0
MPN7SR5121-2AA26-0AA0
Directional time-overcurrent protection 7SR51 5 curr. trans., 4 volt. trans., 17 BI, 10 BO Standard interface: 1 x USB (front),RS 485 (rear) + 2 x optical LC ports, S12 enclosure
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Width | 308 mm |
| Height | 177 mm |
| Depth | 217.5 mm |
MPN
7SR5121-2AA26-0AA0