Siemens 1FK7042-5AF71-1FH3 — AC Servo Motor

Part number	1FK7042-5AF71-1FH3
Brand	Siemens
Category	Servo Motor
Description	AC Servo Motor
Manufacturer	Siemens
Product Type	AC Servo Motor
Product Line	1FK7
Part Number	1FK7042-5AF71-1FH3
UPC	662643365351
Weight	5.50 lbs (2.49 kg)
Number of Poles	8 poles
Motor Type	Permanent Magnet Synchronous Motor
Motor Size	Compact motor
Protection Rating	IP64
Current Rating	1.9 Amperes
Power Rating	0.8 kilowatts
Speed Rating	3,000 revolutions per minute (RPM)
Braking Unit	Built-in Holding Brake
Torque Rating	2.6 Newton-meter
Cooling Method	Natural Cooling
Shaft Shape	Plain Shaft
Encoder Type	22-bit Absolute Encoder
Maximum Speed	6,500 revolutions per minute (RPM)
Shaft Height	48 millimeters

The Siemens 1FK7042-5AF71-1FH3 is an AC servo motor designed for precision applications. With an 8-pole configuration, this permanent magnet synchronous motor delivers a power rating of 0.8 kW and can achieve speeds up to 6,500 RPM, supported by a built-in holding brake for enhanced control.

Also written as

662643365351

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.