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Product description

The Siemens 1FT6034-4AK71-4EG1 is a compact synchronous servo motor from the SIMOTICS S 1FT6 series for dynamic feed, positioning and machine axes. Its exact -4AK71 winding variant operates at a rated speed of 6,000 min⁻¹, with 1.4 Nm rated torque at 100 K and 2.1 A rated current. Siemens specifies 0.88 kW at the optimum operating point and a stall torque of 2.0 Nm at 100 K. The four-pole motor is naturally cooled and permits a mechanical speed of up to 9,700 min⁻¹. An absolute EnDat encoder with 2,048 lines per revolution provides feedback. It supplies speed, rotor-position and position signals to the associated drive control. Power and signal connections use plug connectors directed axially toward the drive end. Mechanically, this version has a plain shaft with normal runout tolerance and no holding brake. The IM B5 construction also permits the IM V1 and IM V3 mounting positions. A gamma sealing ring supports the documented IP65 degree of protection, while vibration severity is grade N. The motor weighs approximately 4.4 kg without a holding brake. Replacement selection therefore requires more than comparing frame size and speed class. The complete order number 1FT6034-4AK71-4EG1, absolute EnDat feedback, connector outlet, plain shaft, absence of a brake, flange position and protection class must match. Motor cable, power module, controller parameters and mechanical coupling must also suit the existing axis. The nameplate on the supplied individual unit remains decisive for assignment to the relevant axis. This version is intended for targeted maintenance of existing Siemens SIMODRIVE and SIMOTICS applications that require precisely this electrical and mechanical configuration.

Siemens 1FT6034-4AK71-4EG1

Specifications

Manufacturer Siemens
Product series SIMOTICS S 1FT6
Manufacturer / order / identification number 1FT6034-4AK71-4EG1
Device type Synchronous servo motor
Cooling method Natural cooling
Rated speed 6,000 min⁻¹
Rated torque at 100 K 1.4 Nm
Stall torque at 100 K 2.0 Nm
Rated current 2.1 A
Stall current at 100 K 2.6 A
Power at optimum operating point 0.88 kW
Number of poles 4
Maximum mechanical speed 9,700 min⁻¹
Encoder system Absolute EnDat encoder, 2,048 lines/revolution
Holding brake Without
Shaft Plain shaft, normal runout tolerance
Construction IM B5; mounting positions IM V1 and IM V3
Connector outlet Axial toward drive end
Degree of protection IP65 with gamma sealing ring
Weight without holding brake 4.4 kg
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

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FAQ

Frequently asked questions

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What are the rated values of the Siemens 1FT6034-4AK71-4EG1?

Siemens specifies 6,000 min⁻¹ rated speed, 1.4 Nm rated torque at 100 K, 2.1 A rated current and 0.88 kW at the optimum operating point.

Which encoder, shaft and brake configuration does this version use?

This version uses an absolute EnDat encoder with 2,048 lines per revolution, a plain shaft with normal runout tolerance and no holding brake.

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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