Servomotor for SINAMICS S120, 0.4 kW class
The 1FK2104-4AF01-0SB0 is a SIMOTICS S-1FK2 HD servomotor from the 1FK2 family, the high-dynamics line intended to pair with SINAMICS S120 drive controllers via the DRIVE-CLiQ M17 plug rather than a generic feedback cable. Stated ratings are M0 = 1.27 Nm stall torque, PN = 0.4 kW at nN = 3000 rpm on a 380-480 V supply and PN = 0.2 kW at nN = 1500 rpm on a 200-240 V supply — the lower-voltage figure is the binding one when the cabinet feeds 230 V rather than 400 V.
Feedback and connection
Feedback is an absolute encoder single-turn 22-bit (AS22DQC) read through the DRIVE-CLiQ M17 plug; the power connector is also M17, so both ends of the cable set are keyed to the same family and a mixed cable will not seat. Mechanical interface is a cylindrical shaft D19 x 40 mm; the housing is rated IP65, so the body withstands directed water jets but is not IP67/IP67G-rated for prolonged washdown immersion duty.
Compliance and supply class
RoHS compliance is declared from 01-07-06 forward and REACH Article 33 candidate-list duty to inform applies; export-control classification is AL:N / ECCN:N_CNDU, so no specific export licence gates a standard cross-border shipment. Product class is C — built-to-order with no return-for-credit entitlement, packaging quantity is 1 piece in a 452 x 250 x 267 mm carton, which matters for a single-piece spare that must arrive unbroken and not on a multi-pack pallet.
Panel-side handling
Specify the 380-480 V or 200-240 V branch on the BOM line and match it to the SINAMICS S120 line-module feed before commissioning — the 0.2 kW figure at 1500 rpm on 200-240 V is the practical ceiling when the cabinet is 230 V, not the headline 0.4 kW at 3000 rpm. The DRIVE-CLiQ and power leads both exit through M17 connectors; pre-route the cabinet gland plate so the bend radius on both cables clears the encoder plug orientation before the motor is bolted down, otherwise the connector keying fights the cable tray.