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Siemens 1FK7 1FK7044-7AF71-1EG3

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1FK7044-7AF71-1EG3

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The Siemens 1FK7044-7AF71-1EG3 servo motor from the 1FK7 series offers a rated power output of 1.1 kW combined with a maximum speed of 3000 rpm. It provides a rated torque of 4.0 Nm and utilizes natural cooling for efficient operation.

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Technical specifications for 1FK7044-7AF71-1EG3

ManufacturerSiemens
Product TypeServo Motor
Product Line1FK7
Part Number1FK7044-7AF71-1EG3
UPC040892681970
Weight16.00 lbs (7.26 kg)
Rated Torque4.0 Nm
Cooling MethodNatural Cooling
Encoder Resolution2048 pulses/rev
Protection ClassIP64
Rated Power Output1.1 kW
Mounting StyleIM B5 (supports V1, V3)
Performance Derating~10% (due to encoder)
Paint FinishRAL7016 (Anthracite grey)
Max Speed3000 rpm
Encoder TypeEnDat 2048 (Absolute)
Shaft TypePlain shaft, tolerance class N
Connector OrientationRotatable 270°

The Siemens 1FK7044-7AF71-1EG3 is a highly functional servo motor from the 1FK7 series. It has an impressive rated power output of 1.1 kW and is capable of achieving a maximum rotational speed of 3000 rpm. With a rated torque of 4.0 Nm, this motor is well-suited for precise motion control.

Cooling is achieved through natural methods, providing efficient thermal management during operation. The device features an encoder resolution of 2048 pulses per revolution, employing an EnDat 2048 absolute encoder for accurate position feedback. For added versatility, the encoder's connector orientation can be rotated 270°, enabling easier integration into various systems.

In terms of durability, the motor is rated IP64 for protection against dust and water ingress, ensuring reliable performance in challenging environments. The mounting style is IM B5, which is compatible with V1 and V3 configurations, allowing for flexible installation options. It is painted in a RAL7016 (Anthracite grey) finish, enhancing its aesthetic appeal while also contributing to its resilience.

Note that the motor's performance may experience a derating of approximately 10% because of the encoder, which is an important consideration during application planning. The shaft type is a plain shaft, adhering to tolerance class N, aligning with typical requirements in servo motor applications.