
Siemens 7SR5421-3BA16-1AA0
MPN7SR5421-3BA16-1AA0
Active
Transformer prot. 7SR54, 8 curr. trans., 4 volt. trans., 22 BI (standard), 12 BO (inkl. 4 HDBO (Heavy duty)), Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S12 enclosure, including conformal coating
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 |
|---|---|
| Product family | Reyrolle 7SR54 - 8/12xI, 0/4xV, 2 and 3 winding transformers |
| Parameter | Value |
|---|---|
| RoHS compliant | Since: 27-08-19 |
| REACH SVHC declaration | Reach Information |
| Parameter | Value |
|---|---|
| Group code | U321 |
| Product group | 1340 |
| Product class | B: return restricted, please contact your Siemens partner/contact |
| Export control regulations | AL : N / ECCN : N |
MPN
7SR5421-3BA16-1AA0