Active build, made-to-order — what that means before the RFQ
The Siemens 1FK2204-5AK00-2SB0 sits in the SIMOTICS S-1FK2 CT family, built to pair with the SINAMICS S120 drive line through the DRIVE-CLiQ M17 plug — that connector, not the encoder, is what locks this motor into the S120 ecosystem. Lifecycle status reads active on the Siemens record, but the product is class-C: produced to order, no returns credit, no reuse. For a procurement desk that translates to a clean RFQ trail with a real factory lead-time window, not shelf stock — which is exactly how Siemens moves built-to-order SIMOTICS frames today. A liquidation desk scanning this code should expect a sealed carton in the 452 x 250 x 267 mm shipping footprint, single-piece quantity, single-pack — the kind of lot where the manifest line and the nameplate line need to match before the pallet gets sorted.
Torque, power and the two voltage rails
Stall torque is 2.4 Nm with 0.57 kW continuous at nN = 6000 rpm when fed from a 380-480 V SINAMICS rail, dropping to 0.75 kW at nN = 3000 rpm on the 200-240 V rail. That split rating is the deciding spec — an integrator wiring this motor to a 230 V line expects 3000 rpm top speed and the higher power figure, while a 400 V cabinet axis can push to 6000 rpm at the lower power. The motor itself is the same unit; the drive supply sets the operating point. The encoder is an absolute single-turn AS22DQC at 22-bit resolution and the shaft is a cylindrical D14 x 30 mm stub — the dimensions a panel builder needs before machining the mounting flange. IP64 sealing on the body and the M17 cable exits cover a cabinet-internal or sheltered machine axis; washdown bays and outdoor heads are off the menu at this protection class.
Current loop clock — the 8 kHz pairing to S120
The drive-side constraint that does not show up on casual listings is the 8 kHz / 62.5 µs current controller cycle — the motor is qualified only for that clock on the SINAMICS S120, which sets the torque ripple, the audible noise floor and the achievable dynamic response. A controls engineer swapping this motor into an older S110 or a third-party drive will not get the same closed-loop behaviour, even if the mechanical fit is identical. The DRIVE-CLiQ M17 plug carries both the encoder feedback and the electronic nameplate, so the S120 recognises the motor on plug-in and applies the right parameter set automatically.
Compliance pack and nameplate references
The Siemens group code R220 and product group 9021 are the numbers a maintenance tech writes on the work order when ordering a like-for-like spare, and they are what should appear on the packing slip against the PO line.