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Siemens 1FK7105-2AC71-1RB0 SIMOTICS S Motor with Feather Key

Siemens SIMOTICS S 1FK7 CT Synchronous Motor with feather key shaft and brake.

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ManufacturerSiemens
Part number1FK7105-2AC71-1RB0
Part Number 1FK7105-2AC71-1RB0
Manufacturer Siemens
Series SIMOTICS S 1FK7 CT
Rated Power 7.7kW
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7.7kW Rated Power 2000rpm Speed Feather Key Shaft Multi-Turn Absolute Encoder Drive-CLiQ Interface Holding Brake

The Siemens 1FK7105-2AC71-1RB0 is a SIMOTICS S synchronous motor designed for applications requiring a feathered shaft for secure mechanical connection. It delivers a rated power of 7.7kW, operates at a DC link voltage of 600V, and provides a maximum torque of 48Nm at 2000rpm. This naturally cooled motor adheres to the IMB 5 design (IM V1, IM V3) and features a rotatable power connector. It is equipped with a 20-bit + 12-bit multi-turn absolute encoder (AM20DQI) with a Drive-CLiQ interface, a shaft with feather key, a holding brake, and an IP64 degree of protection.

This motor is suitable for a wide range of industrial applications where a keyed shaft is preferred for transmitting torque, such as in conveyor systems, pumps, and general machinery. The integrated holding brake adds an extra layer of safety for load holding. Key industries include manufacturing, material handling, and process automation.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 1FK7105-2AC71-1RB0 and a vast inventory of automation components. We are dedicated to providing reliable, cost-effective solutions to keep your systems operational. Choose Stanlo Automation for quality parts, expert advice, and fast delivery.

Part Number1FK7105-2AC71-1RB0
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)
ShaftFeather Key, Tolerance N
Holding BrakeYes
IP RatingIP64
Conveyor Systems
Pumps
General Machinery
Material Handling
Manufacturing
Process Automation
SINAMICS Drives Simotion Motion Controllers
Siemens SIMOTICS S Feather Key Motor 1FK7 CT Motor with Keyed Shaft Siemens Servo Motor
This motor is designed to replace Siemens 1FK7 series motors with feather key shafts, multi-turn encoders, and holding brakes. Compatible with Siemens SINAMICS drive systems.
Expert tip
When using a feather key shaft, ensure the mating keyway on the driven component is properly machined and secured to prevent fretting corrosion.
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What is the benefit of a feather key shaft on the 1FK7105-2AC71-1RB0 motor?
The feather key shaft on the Siemens 1FK7105-2AC71-1RB0 motor provides a positive mechanical connection that prevents slippage under high torque loads. This ensures reliable power transmission to the driven equipment.