Siemens 1FT6044-4AF71-4EA2 — SIMOTICS S Synchronous Servomotor

Part number1FT6044-4AF71-4EA2
BrandSiemens
DescriptionSIMOTICS S Synchronous Servomotor
ManufacturerSiemens
Product TypeSIMOTICS S Synchronous Servomotor
Product Line1FT6
Part Number1FT6044-4AF71-4EA2
UPC662643370157
Weight18.00 lbs (8.16 kg)
Rated Torque5.0 Nm
Thermal Class100K
Maximum Rotational Speed3000 RPM
Cooling MethodNatural Air Cooling
Mounting ConfigurationIM B5 (compatible with IM V1 and IM V3 orientations)
Connector OrientationAxial, Drive End
Encoder TypeAbsolute Encoder EnDat with 2048 Pulses per Revolution
Shaft DesignSmooth Shaft with Circular Runout Tolerance N
Holding BrakeNot Equipped
Vibration Severity LevelGrade N
Shaft SealRadial Shaft Seal (IP67 Protection)
Derating Due to Encoder10% Reduction in Performance Due to Absolute Encoder
Rated Current2.9 A
Rated Power Output1.35 kW

The Siemens 1FT6044-4AF71-4EA2 is an advanced servomotor from the 1FT6 series. This synchronous motor is rated for a torque of 5.0 Nm and can achieve a maximum rotational speed of 3000 RPM, making it suitable for high-performance applications.

Also written as

662643370157

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.

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