What the 1 kW / 3 Nm rating buys on the bench
The 1FL2205-2AF11-0MB0 is a Siemens SIMOTICS S-1FL2 servomotor wound for 400 V 3AC, with a rated power of 1 kW at a rated speed of 3000 rpm — stall torque M0 of 3.6 Nm against a continuous Mn of 3 Nm, so the machine can swing short acceleration bursts into the upper third of its torque envelope without losing closed-loop headroom. It carries an AM21bit absolute encoder and an integrated holding brake, mating with the SINAMICS S200 drive family — the 21-bit resolution sets the position-loop quantisation floor for a feed axis, and the brake lets the axis hold position at stop without continuous current through the motor windings.
Mechanical integration on the machine
Shaft height 48 mm and a plain shaft with tolerance N define the mechanical envelope — it mounts into the standard 1FL2 footprint for that frame size, and the angular connector routes the power and feedback cabling out of the back of the motor rather than axially, which clears the cable path on a rotary axis or a gantry gearbox end. Protection class IP65 with oil seal means the body resists dust and low-pressure water jets, but the oil seal is the seal — gearbox oil that reaches the lip degrades it, so on a right-angle gearbox mount the seal orientation relative to the oil bath is the first thing to check at commissioning.
Compliance and order classification
RoHS compliance has applied since 01-01-18 and the part carries the REACH Art. 33 duty-to-inform disclosure on the candidate list — both are current European substance-restriction regimes, so the declaration pack is standard and traceable to the order code on the nameplate. Listed under Group Code R220 and Product Group X0DK with product class C, meaning it is built to order and cannot be returned against credit — a quotation locks a production slot, so the motor configuration (shaft, brake, encoder, connector) is fixed at order entry and does not change in the field.