What this motor is on the shop floor
The Siemens 1FK7043-7AK71-1SH0 sits in the 1FK7 high-dynamic synchronous servo line and ships as a bare rotor-and-stator assembly with no drive electronics in the motor body — commutation, current loop, and resolver/sine-encoder feedback all live in the matched SINAMICS S120 drive module on the cabinet side.
Why the lifecycle flag matters first
Lifecycle stage is recorded as EOL-hot, which on a Siemens servo motor means the part is past the standard orderable window, last-time-buy quotas are exhausted, and the remaining stock sits with independent distributors and OEM service spares — not on the factory configure-to-order line.