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Siemens 1FK7044-4CF71-1RA0 SIMOTICS S Synchronous Motor

Siemens SIMOTICS S Synchronous Motor 1FK7-HD, No Brake

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ManufacturerSiemens

Part number1FK7044-4CF71-1RA0

PN 1.2kW

UDC 600V

M0 4.5Nm

NN 3000rpm

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1.2kW Nominal Power 3000rpm Speed Absolute Encoder AM20DQI Drive-CLiQ Interface Shaft with Fitted Key IP64 Protection No Holding Brake

Product description

The Siemens 1FK7044-4CF71-1RA0 is a SIMOTICS S Synchronous motor from the 1FK7-HD series, delivering 1.2kW of power at 3000rpm. This naturally cooled motor operates within Frame Size IMB 5 and features a rotatable power connector. It is equipped with an AM20DQI Absolute Encoder (20 Bit + 12 Bit Multiturn) and the Drive-CLiQ interface. Notably, this model does not include a holding brake.

This motor is designed for applications where precise position control is paramount, and a holding brake is not required. It's suitable for use in automated systems, robotics, and machine tools where continuous motion or dynamic braking is managed by the drive system. The IP64 rating provides protection against dust and water ingress.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 1FK7044-4CF71-1RA0 motor. We provide reliable surplus industrial automation parts to help you maintain operational efficiency and minimize downtime.

Technical specifications

PN	1.2kW
UDC	600V
M0	4.5Nm
NN	3000rpm
Cooling	Naturally cooled
Frame Size	IMB 5
Encoder	AM20DQI (Absolute, 20-bit+12-bit Multiturn)
Shaft	With Fitted Key, Tolerance N
Brake	Without Holding Brake
IP Rating	IP64
Interface	Drive-CLiQ

Common applications

Robotics

Automated Assembly

Conveyor Systems

Machine Tools

Packaging Machinery

Material Handling

Compatible systems

Siemens SINAMICS Drives Siemens SIMOTION Controllers

Also known as

Siemens 1FK7 Motor No Brake SIMOTICS S AM20DQI Motor 1FK7 HD Servo

Replaces / compatible with

This motor is part of the Siemens SIMOTICS S 1FK7 series and is designed for direct replacement within compatible systems where a holding brake is not needed.

Technical note

Expert tip

The shaft with fitted key requires a keyed hub for proper torque transfer; ensure compatibility with your drive train.

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Frequently asked questions

Does the Siemens 1FK7044-4CF71-1RA0 motor have a holding brake?

No, the Siemens 1FK7044-4CF71-1RA0 motor does not come equipped with a holding brake. It features an AM20DQI Absolute Encoder and is intended for applications where external braking or continuous motion control is sufficient.