Siemens 1FK7042-2AK71-1RH0 — Synchronous Servo Motor

Part number1FK7042-2AK71-1RH0
BrandSiemens
CategoryServo Motor
DescriptionSynchronous Servo Motor
ManufacturerSiemens
Product Line1FK7
Part Number1FK7042-2AK71-1RH0
UPC887621013110
Weight12.00 lbs (5.44 kg)
ProductSynchronous Servo Motor
Speed6000 RPM
Number of Poles8
Rated Torque (100K)1.5 Nm
Rated Current2.5 A
Static Torque (60K)2.5 Nm
Stall Current (60K)3.55 A
Stall Current (100K)4.4 A
Moment of Inertia3.200 kgcm²
Efficiency89%
Rotating Field Inductance8.6 mH
Mechanical Time Constant2.15 ms
CoolingNaturally Cooled
Protection ClassIP64

The 1FK7042-2AK71-1RH0 model from Siemens' 1FK7 series is a synchronous servo motor designed for high-performance tasks. Operating at a speed of 6000 RPM, it features a total of 8 poles and delivers reliable torque output across specified conditions.

Also written as

887621013110

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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