Siemens 1FT6041-4AK71-3EA1 — Synchronous Servo Motor

Part number1FT6041-4AK71-3EA1
BrandSiemens
CategoryServo Motor
DescriptionSynchronous Servo Motor
ManufacturerSiemens
Product TypeSynchronous Servo Motor
Product Line1FT6
Part Number1FT6041-4AK71-3EA1
UPC662643009989
Weight14.00 lbs (6.35 kg)
Rated Torque (100 K)2.5 Nm
Maximum Speed6000 rpm
CoolingNatural (no fan)
MountingFlange IM B5 (fits IM V1, V3)
Shaft EndAxial output, non-drive end
EncoderEnDat 2048 single-turn absolute
Torque Derating-10 % (encoder fitted)
BrakeNone
Vibration RatingGrade N
SealingGamma ring, IP65
ConnectorsCombined power + signal outlet
Winding Resistance~0.72 Ω @20 °C
Inductance~47 mH
Thermal Time Constant~6.9 s

The Siemens 1FT6041-4AK71-3EA1 is a synchronous servo motor designed for precision applications. It operates at a maximum speed of 6000 rpm and delivers a rated torque of 2.5 Nm. This device comes equipped with an EnDat 2048 single-turn absolute encoder for exact positioning.

Also written as

662643009989

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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