{"product_id":"siemens-1fk7103-2af71-1qa0-servo-motor","title":"Siemens 1FK7103-2AF71-1QA0 SIMOTICS S 1FK7-CT 36 Nm 3000 rpm Servo Motor","description":"\u003cp\u003eThe Siemens 1FK7103-2AF71-1QA0 is a SIMOTICS S 1FK7-CT synchronous servo motor rated at 4.4 kW with a 36 Nm standstill torque at 3000 rpm nominal speed. It runs from a 600 V DC bus, mounts in IM B5 (IM V1, IM V3) configuration with Flange 1, and carries a Drive-CLiQ absolute single-turn 20-bit encoder (AS20DQI) with IP64 protection and no holding brake.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e1FK7103-2AF71-1QA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSIMOTICS S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Designation\u003c\/td\u003e\n\u003ctd\u003e1FK7-CT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Power\u003c\/td\u003e\n\u003ctd\u003e4.4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Bus Voltage\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandstill Torque (100K)\u003c\/td\u003e\n\u003ctd\u003e36 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Speed\u003c\/td\u003e\n\u003ctd\u003e3000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimum Speed\u003c\/td\u003e\n\u003ctd\u003e2500 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e11.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoment of Inertia\u003c\/td\u003e\n\u003ctd\u003e104.000 kgcm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e93.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Constant\u003c\/td\u003e\n\u003ctd\u003e1.39 Nm\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Constant at 20C\u003c\/td\u003e\n\u003ctd\u003e89.5 V\/1000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding Resistance at 20C\u003c\/td\u003e\n\u003ctd\u003e0.09 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotating Field Inductance\u003c\/td\u003e\n\u003ctd\u003e2.4 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Time Constant\u003c\/td\u003e\n\u003ctd\u003e27.00 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Time Constant\u003c\/td\u003e\n\u003ctd\u003e1.46 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Time Constant\u003c\/td\u003e\n\u003ctd\u003e65 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Torsional Stiffness\u003c\/td\u003e\n\u003ctd\u003e148,000 Nm\/rad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e28.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Height\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNatural cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadial Runout Tolerance\u003c\/td\u003e\n\u003ctd\u003e0.050 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcentricity Tolerance\u003c\/td\u003e\n\u003ctd\u003e0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxial Runout Tolerance\u003c\/td\u003e\n\u003ctd\u003e0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Color\u003c\/td\u003e\n\u003ctd\u003eAnthracite, RAL 7016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003eAbsolute, single-turn, 20-bit, Drive-CLiQ (AS20DQI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Design\u003c\/td\u003e\n\u003ctd\u003eIM B5 (IM V1, IM V3), Flange 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Connector\u003c\/td\u003e\n\u003ctd\u003eRotatable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolding Brake\u003c\/td\u003e\n\u003ctd\u003eWithout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThis AF71 winding trades torque constant for a higher 3000 rpm nominal speed and 2500 rpm optimum speed, compared with a lower-speed winding available in the same 1FK7103 frame, which makes it the better fit where the application needs faster point-to-point moves rather than maximum torque per amp. Without a holding brake, the servo drive or an external brake must hold the axis at standstill; the same frame is also offered with an integrated brake for vertical or overhung-load axes. At 11.5 A rated current and a 2.4 mH rotating field inductance, this winding has a 27.00 ms electrical time constant, which supports fast current-loop response.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960362361115,"sku":"1FK7103-2AF71-1QA0","price":2768.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-1fk7103-2af71-1qa0-1fk7-ct-servo-motor.png?v=1789757991","url":"https:\/\/stoklink.com\/products\/siemens-1fk7103-2af71-1qa0-servo-motor","provider":"Stoklink","version":"1.0","type":"link"}