Siemens 1FK7042-5AK71-1KG0 — The 1FK7042-5AK71-1KG0 by Siemens is a high-performance synchronous servo motor ideal for demanding motion control applications

Part number	1FK7042-5AK71-1KG0
Brand	Siemens
Category	Servo Motor
Description	The 1FK7042-5AK71-1KG0 by Siemens is a high-performance synchronous servo motor ideal for demanding motion control applications
Manufacturer	Siemens
Product Line	1FK7
Part Number	1FK7042-5AK71-1KG0
UPC	662643365566
Weight	10.00 lbs (4.54 kg)
Name	Synchronous servo motor
Rated Torque	3.0 Nm
Rated Speed	6000 rpm
Rated Power	1.02 kW
Rated Voltage	600 V DC
Rated Efficiency	90%
Power Factor	0.98
Cooling Method	Naturally cooled
Mounting Type	IM B5 (IM V1, IM V3)
Flange Size	Size 71
Encoder Type	Absolute encoder
Shaft Type	Plain shaft with tolerance N
Shaft Key	Fitted key
Protection Class	IP64
Power/SIGNAL Connector	Rotatable by 270°

The 1FK7042-5AK71-1KG0 by Siemens is a high-performance synchronous servo motor ideal for demanding motion control applications. With a rated power of 1.02 kW and torque of 3.0 Nm, it operates efficiently at a maximum speed of 6000 rpm while maintaining a power factor of 0.98.

Also written as

662643365566

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.