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Siemens 1FK7105-2AC71-1RG0 SIMOTICS S Motor, No Brake

Siemens SIMOTICS S 1FK7 CT Synchronous Motor, IP64, multi-turn encoder, no brake.

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ManufacturerSiemens
Part number1FK7105-2AC71-1RG0
Part Number 1FK7105-2AC71-1RG0
Manufacturer Siemens
Series SIMOTICS S 1FK7 CT
Rated Power 7.7kW
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7.7kW Rated Power 2000rpm Speed Multi-Turn Absolute Encoder Drive-CLiQ Interface Smooth Shaft IP64 Protection

The Siemens 1FK7105-2AC71-1RG0 is a SIMOTICS S synchronous motor designed for applications where a holding brake is not required. It features a rated power of 7.7kW, a DC link voltage of 600V, and a maximum torque of 48Nm at 2000rpm. This naturally cooled motor follows the IMB 5 design (IM V1, IM V3) and includes a rotatable power connector. The integrated encoder is a 20-bit + 12-bit multi-turn absolute encoder (AM20DQI) with a Drive-CLiQ interface. It has a smooth shaft with N tolerance and an IP64 degree of protection, but no holding brake.

This motor is ideal for continuous motion applications where braking is not necessary, such as high-speed spindles, fan drives, or pump applications where the load naturally provides braking. Its precise multi-turn encoder ensures accurate positioning. Industries include HVAC, industrial fans, and general manufacturing.

Stanlo Automation, a veteran-owned business, offers the Siemens 1FK7105-2AC71-1RG0 and a wide selection of surplus industrial automation parts. We are committed to providing high-quality components and exceptional service to keep your operations running efficiently. Trust Stanlo Automation for all your industrial part needs.

Part Number1FK7105-2AC71-1RG0
ManufacturerSiemens
SeriesSIMOTICS S 1FK7 CT
Rated Power7.7kW
DC Link Voltage600V
Max Torque48Nm
Rated Speed2000rpm
CoolingNatural
DesignIMB 5 (IM V1, IM V3)
EncoderAM20DQI (20-bit + 12-bit multi-turn Drive-CLiQ)
ShaftSmooth, Tolerance N
Holding BrakeNo
IP RatingIP64
High-Speed Spindles
Fan Drives
Pump Applications
Continuous Motion
General Manufacturing
Industrial Automation
SINAMICS Drives Simotion Motion Controllers
Siemens SIMOTICS S Motor No Brake 1FK7 CT Motor Smooth Shaft Siemens Servo Motor
This motor is a suitable replacement for Siemens 1FK7 series motors with multi-turn encoders and smooth shafts where a holding brake is not required. Compatible with Siemens SINAMICS drive systems.
Expert tip
For applications requiring load holding, ensure a suitable external brake is integrated into the system if using this 'no brake' motor configuration.
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When would a Siemens 1FK7105-2AC71-1RG0 motor without a brake be preferred?
A Siemens 1FK7105-2AC71-1RG0 motor without a brake is preferred for applications where the driven load provides sufficient braking force or where continuous motion without the need for holding is essential, such as in certain high-speed rotating applications.