Siemens 1FK7042-5AK71-1EG0 — The 1FK7042-5AK71-1EG0 is a modern synchronous servo motor engineered by Siemens in their 1FK7 series

Part number	1FK7042-5AK71-1EG0
Brand	Siemens
Category	Servo Motor
Description	The 1FK7042-5AK71-1EG0 is a modern synchronous servo motor engineered by Siemens in their 1FK7 series
Manufacturer	Siemens
Product Line	1FK7
Part Number	1FK7042-5AK71-1EG0
UPC	662643006261
Weight	4.56 lbs (2.07 kg)
Name	Synchronous servo motor
Rated Torque	3.0 Nm
Rated Power	1.02 kW
Rated Speed	6000 rpm
Rated Voltage	600 V DC
Rated Current	3.5 A
Rated Frequency	50/60 Hz
Insulation Class	F
Overload Capacity	150% for 60 seconds
Efficiency	>95%
Power Factor	0.98
Frame Size	71 mm
Length Code	2
Mounting Type	IM B5 (flange-mounted)
Degree of Protection	IP64

The 1FK7042-5AK71-1EG0 is a modern synchronous servo motor engineered by Siemens in their 1FK7 series. This unit offers a rated power of 1.02 kW and achieves a rated speed of 6000 rpm. Additionally, it operates at a rated voltage of 600 V DC while providing a torque rating of 3.0 Nm, making it ideal for applications requiring efficient power and precise movement.

Also written as

662643006261

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.