Siemens 1FK7040-5AK71-1AH0 SIMOTICS S servomotor
€1,500.00
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Siemens 1FK7100-5AF71-1AH0 is a permanent-magnet synchronous servo motor from the compact SIMOTICS S 1FK7 series. This specific version is intended for controlled feed, positioning and motion-control axes in machine tools, production systems and automated handling equipment. Siemens specifies a rated speed of 3,000 U/min, rated torque of 12 Nm and rated current of 8 A for winding 5AF71. Standstill torque at 100 K is 18 Nm, with a corresponding standstill current of 11.2 A. At its optimum operating point, the motor delivers 3.77 kW. Mechanically, speeds up to 5,000 U/min and torque up to 55 Nm are permitted. Natural cooling requires no separate external fan and supports compact installation. The 1AH0 variant includes a sin/cos 1 Vpp incremental encoder with 2,048 pulses per revolution, a plain shaft with runout tolerance N and a holding brake. Power and signal connections use connectors that can be rotated through 270 degrees. Mounting arrangements IM B5, IM V1 and IM V3 support both horizontal and vertical axis layouts. With the brake fitted, the Siemens manual specifies a motor weight of 21.5 kg; the variant has an IP64 protection rating. For replacement procurement, compare the complete order number, encoder, shaft, brake, connector orientation and mounting position. Related 1FK7100 versions can have different feedback systems or mechanical options despite sharing the same frame size. The motor is therefore intended as a specific replacement for existing Siemens axes and should not be equated with technically different 1FK7 variants. It is offered for maintenance teams and machine builders who require the exact 1FK7100-5AF71-1AH0.
| Manufacturer | Siemens |
|---|---|
| Product series | SIMOTICS S 1FK7 Compact |
| Manufacturer/Order/Identification number | 1FK7100-5AF71-1AH0 |
| Equipment type | Permanent-magnet synchronous servo motor |
| Cooling method | Natural cooling |
| Rated speed | 3,000 U/min |
| Number of poles | 8 poles |
| Rated torque at 100 K | 12 Nm |
| Rated current | 8 A |
| Standstill torque at 100 K | 18 Nm |
| Standstill current at 100 K | 11.2 A |
| Power at optimum operating point | 3.77 kW |
| Maximum permissible mechanical speed | 5,000 U/min |
| Maximum torque | 55 Nm |
| Weight with brake | 21.5 kg |
| Mounting arrangement | IM B5, IM V1 or IM V3 |
| Connections | power and signal connectors, rotatable through 270° |
| Encoder | sin/cos 1 Vpp incremental encoder, 2,048 pulses/U |
| Shaft | plain shaft, runout tolerance N |
| Brake and protection rating | with holding brake; IP64 |
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This variant has a sin/cos 1 Vpp incremental encoder with 2,048 pulses per revolution, a plain shaft with runout tolerance N and a holding brake.
Siemens specifies a rated speed of 3,000 U/min for winding 5AF71. At the optimum operating point, the motor delivers 3.77 kW.
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.
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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.
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