What the listing says about this motor
The Siemens 1FK70425AF211AA8 is a 3-phase synchronous servo motor in the SIMOTICS S-1FK7 family, described on the record as MOTOR SYNC 3AC 3NM 0.82KW 3000RPM — meaning a 3 Nm rated torque, 0.82 kW shaft power, and a nominal speed of 3000 rpm off a three-phase AC supply. Lifecycle is marked eol_hot, which on a Siemens servo line is the most urgent flag on the record: the part is past its general availability window and any remaining stock moves through last-time-buy and independent channels rather than the normal factory catalog.
Why a 1FK7 lands in a cabinet in the first place
S-1FK7 servos are the compact, high-dynamics end of the Siemens drive lineup, paired with SINAMICS S110/S120 drive controllers and used where a feed axis or auxiliary axis needs precise torque and speed control — packaging machines, small-format converting, indexing tables, and the auxiliary axes on machine tools. At 3 Nm and 0.82 kW, this frame is the small end of the 1FK7 range — sized for low-inertia auxiliary drives and small feed axes rather than main spindle duty, which is what dictates the coupling choice, the resolver/encoder cable spec, and the SINAMICS firmware version the motor is commissioned against.
Sourcing posture for an eol_hot servo
With the line marked eol_hot and no successor part on this record, the procurement read is straightforward: hold a critical spare in the cabinet while the machine is still running, and treat every RFQ as a finite-quantity opportunity rather than a replenishable line — independent channel inventory is lot-specific and confirmed at quote time.