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Product description

The Fanuc A06B-0205-B605 is a compact AC servo motor from the Alpha iF series for dynamic feed and positioning axes in CNC machines and industrial automation systems. The exact model designation is αi F 2/5000. FANUC manual B-65262EN/06 specifies 0.75 kW rated output, 2.0 Nm stall torque and 3.5 A RMS stall current for this motor size. Rated speed is 4000 min⁻¹ and maximum speed is 5000 min⁻¹. With up to 8.3 Nm peak torque, this size suits axes that require high acceleration reserves from a compact motor format. Order variant B605 has a tapered shaft and an integrated 90 VDC holding brake. Product-specific documentation also identifies the A64 encoder. Rotor inertia is 0.000526 kgm² without the brake and 0.000546 kgm² with the brake. A torque constant of 0.57 Nm/A RMS, a back-EMF constant of 20 V RMS per 1000 min⁻¹ and a winding resistance of 1.1 Ω provide clearly defined electrical and mechanical parameters for drive sizing. The documented weight with brake is 5.3 kg. Before installation, the complete A06B-0205-B605 number, shaft geometry, coupling, 90-V brake, encoder version, motor connectors and approval for the existing FANUC servo amplifier must match. Also check the mounting flange, cable outlet, axis parameters and machine documentation. After mechanical replacement, verify brake function, feedback, rotation direction and referencing according to the manufacturer's instructions. The motor is intended as an identical replacement within a correctly configured FANUC axis. It is suitable for maintenance teams, CNC service specialists and machine builders seeking to restore a failed servo axis reliably with exactly assigned hardware.

Fanuc A06B-0205-B605

Specifications

Manufacturer Fanuc
Product series FANUC Alpha iF Servo Motor
Manufacturer/order/identification number A06B-0205-B605
Device type AC servo motor
Motor model αi F 2/5000
Stall torque 2.0 Nm
Stall current 3.5 A RMS
Rated output 0.75 kW / 1.0 HP
Rated speed 4000 min⁻¹
Maximum speed 5000 min⁻¹
Maximum torque 8.3 Nm
Rotor inertia 0.000526 kgm²
Rotor inertia with brake 0.000546 kgm²
Torque constant 0.57 Nm/A RMS
Back-EMF constant 20 V RMS/1000 min⁻¹
Winding resistance 1.1 Ω
Thermal time constant 20 min
Holding brake 90 VDC
Shaft type Tapered shaft
Weight with brake 5.3 kg
Control cabinet with PLC modules and automation components
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FAQ

Frequently asked questions

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Which version does A06B-0205-B605 identify?

The number identifies a FANUC Alpha iF 2/5000 AC servo motor with a tapered shaft, 90-VDC holding brake and A64 encoder.

What should be checked before replacement?

Check the complete order number, mounting flange, tapered shaft and coupling, brake voltage, encoder, connectors, cable outlet, servo-amplifier assignment and configured axis parameters.

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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