Siemens 1FK7 compact synchronous servo motor, 1FK7042-5AK71-1UG5, 4.54 kg, EOL-flagged servo motor line.
| Parameter | Value |
|---|---|
| Weight | 4.54 kgs |
Cataloguing on the storefront places this part under Servo Motors — the sub-category is what most machine builders search when they need a replacement motor that still has to talk to the existing drive via DRIVE-CLiQ or resolver feedback depending on the suffix.
1FK7042-5AF21-1UA0 is the closest listed peer — same 1FK7 family and the same 4.54 kg mass figure, but the -1UA0 suffix encodes a different winding/feedback/holding-brake combination than -1UG5, so it is a same-family peer, not a confirmed drop-in. Treat it as a mechanical-fit candidate and re-validate the encoder and brake options before committing.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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