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Product description

Siemens 1FT6044-4AK71-4AB6 is a SIMOTICS S synchronous servomotor from the 1FT6 family for fast servo axes with precise position feedback. The variant is documented with 5.0 Nm standstill torque at 100 K and a rated speed of 6000 rpm. Natural cooling allows use in machine axes whose existing design operates without an additional fan unit. Mechanical installation uses mounting design IM B5 and also permits installation positions IM V1 and IM V3. Power and signal connections exit axially on the drive end, an important comparison point where installation space is restricted. Position feedback is provided by a sin/cos 1 Vss incremental encoder with 2048 S/R. A keyed shaft, holding brake, concentricity tolerance N and vibration severity N distinguish the version from other 1FT6 variants. The kerosene seal with protection rating IP68 is especially relevant where the axis is exposed to demanding machine media. Siemens SiePortal lists a net weight of 9,504 kg, providing a reliable figure for handling and assembly planning. Before replacement, compare the complete order number because similar 1FT6 motors can use different shafts, encoders, seals, cable directions or brake options. The specific combination of axial connections, keyed shaft, holding brake and kerosene seal must match the installed axis, controller parameters and mechanical drawings. The documented IP68 configuration must remain unchanged in the replacement axis.

Siemens 1FT6044-4AK71-4AB6 SIMOTICS S servomotor

Specifications

Manufacturer Siemens
Product series SIMOTICS S 1FT6
Manufacturer/Order/Identification number 1FT6044-4AK71-4AB6
Equipment type Synchronous servomotor
Standstill torque 5.0 Nm at 100 K
Rated speed 6000 rpm
Mounting design IM B5, IM V1, IM V3
Connector orientation Axial on the drive end
Encoder type sin/cos 1 Vss incremental encoder
Encoder resolution 2048 S/R
Shaft With key
Holding brake With holding brake
Concentricity tolerance N
Vibration severity N
Seal Kerosene seal
Protection rating IP68
Cooling method Natural cooling
Weight 9,504 kg
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

Machine downtime?

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Product safety

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FAQ

Frequently asked questions

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Is there a warranty?

Yes. We provide a 14-day functional warranty for used items. The component must be functional on arrival, and the warranty applies only while the warranty seal remains undamaged. If a fault occurs within 14 calendar days, please contact us in writing. Depending on availability, we will either provide a replacement or refund the full purchase price after the item has been returned. Further details are set out in the terms and conditions supplied with our quotation.

How quickly do you ship, and which shipping options are available?

We normally dispatch available items immediately and, in many cases, on the same working day. For urgent requirements or machine downtime, we will identify the fastest suitable option and can confirm a specific delivery window on request. Express shipping and collection from our premises are also possible by arrangement. We ship worldwide using reliable parcel and freight carriers; freight shipments may require additional preparation to ensure safe delivery.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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