Siemens 1FK7042-2AF71-1RG0 — Synchronous Servo Motor

Part number1FK7042-2AF71-1RG0
BrandSiemens
CategoryServo Motor
DescriptionSynchronous Servo Motor
ManufacturerSiemens
Product Line1FK7
Part Number1FK7042-2AF71-1RG0
UPC887621241537
Weight10.00 lbs (4.54 kg)
ProductSynchronous Servo Motor
Speed3000 RPM
Number of Poles8
Rated Torque2.6 Nm
Rated Current2 A
Static Torque (60K)2.5 Nm
Static Torque (100K)3 Nm
Stall Current (60K)1.8 A
Stall Current (100K)2.2 A
Moment of Inertia2.900 kgcm²
Efficiency89%
Winding Resistance4.67 Ohm
Rotating Field Inductance35 mH
Electrical Time Constant7.5 ms
Degree of ProtectionIP64

The Siemens 1FK7042-2AF71-1RG0 serves as a synchronous servo motor within the 1FK7 series, characterized by its 3000 RPM speed and an 8-pole design. This motor offers a rated torque of 2.6 Nm and a rated current of 2 A, with robust static torque values of 2.5 Nm at 60K and 3 Nm at 100K.

Also written as

887621241537

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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