Siemens 1FK6042-6AF71-1AG0 — Synchronous Servo Motor

Part number	1FK6042-6AF71-1AG0
Brand	Siemens
Category	Servo Motor
Description	Synchronous Servo Motor
Manufacturer	Siemens
Product Type	Synchronous Servo Motor
Product Line	1FK6
Part Number	1FK6042-6AF71-1AG0
UPC	662643363630
Weight	10.81 lbs (4.90 kg)
Pole Configuration	6-Pole
Rated Torque	3.2 Nm
Nominal Performance Factor	100K (series-specific constant)
Maximum Speed	3000 r/min
Cooling System	Naturally Air-Cooled
Frame & Mounting Design	IM B5 style (compatible with V1/V3 mount arrangements)
Connector Arrangement	Built-in power and signal ports
Connector Orientation	Adjustable up to 270° rotation
Encoder Technology	Incremental type with sine/cosine outputs
Encoder Resolution	2048 pulses per revolution
Shaft Construction	Smooth, precision-machined design
Shaft Tolerance	Class N tolerance
Brake Configuration	Lacks an integrated holding brake
Environmental Protection	IP64-rated

The Siemens 1FK6042-6AF71-1AG0 is a synchronous servo motor known for its efficient operation. This motor operates with a 6-pole configuration and delivers a rated torque of 3.2 Nm, ideal for precise control applications.

Also written as

662643363630

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.