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Siemens 1FK7100-2AF71-1RB0 Servo Motor with Holding Brake

Siemens SIMOTICS S 1FK7 Servo Motor with Absolute Encoder and Holding Brake.

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ManufacturerSiemens

Part number1FK7100-2AF71-1RB0

Manufacturer Siemens

Series SIMOTICS S 1FK7-CT

Part Number 1FK7100-2AF71-1RB0

Power 3.8kW

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3.8kW Power Output 18Nm Static Torque 3000rpm Rated Speed Absolute Encoder (20-bit) DRIVE-CLiQ Interface Integrated Holding Brake Feather Key Shaft IP64 Protection

Product description

The Siemens 1FK7100-2AF71-1RB0 is a SIMOTICS S synchronous servo motor built for robust motion control. It offers a nominal power of 3.8kW, a static torque of 18Nm (100K), and a rated speed of 3000rpm, with natural cooling. This motor features the IM B5 design (IM V1, IM V3), flange 1, and a rotatable power connector. It is equipped with a 20-bit absolute encoder (12-bit multi-turn) with a DRIVE-CLiQ interface, a shaft with a feather key and tolerance N, and importantly, includes a holding brake. The degree of protection is IP64.

This motor is suitable for applications requiring precise positioning and reliable holding capabilities, such as in robotics, material handling, and automated machinery where the load needs to be secured when power is off.

Stanlo Automation, a veteran-owned surplus parts distributor, provides high-quality automation components like the Siemens 1FK7100-2AF71-1RB0. We are committed to offering reliable products and exceptional service to our customers.

Technical specifications

Manufacturer	Siemens
Series	SIMOTICS S 1FK7-CT
Part Number	1FK7100-2AF71-1RB0
Power	3.8kW
Static Torque (M0)	18Nm (100K)
Rated Speed (NN)	3000rpm
Cooling	Naturally Cooled
Design	IM B5 (IM V1, IM V3)
Encoder	Absolute Encoder 20-bit + 12-bit Multi-turn (AM20DQI) with Drive-CLiQ
Shaft	Shaft with Feather Key, Tolerance N
Holding Brake	With Holding Brake
Protection	IP64
Connector	Power Connector Rotatable

Common applications

Robotics

Material Handling

Automated Machinery

CNC Machines

Industrial Automation

Packaging Equipment

Compatible systems

SINAMICS S110 SINAMICS S120 SIMOTION SINUMERIK CNC

Also known as

Siemens 1FK71002AF711RB0 SIMOTICS S-1FK7-CT Siemens Servo Motor with Brake

Replaces / compatible with

This Siemens SIMOTICS S 1FK7-CT servo motor with a feather key shaft and holding brake is designed for applications requiring secure load positioning. Consult Siemens documentation for specific replacement guidance.

Technical note

Expert tip

The shaft with a feather key on the 1FK7100-2AF71-1RB0 motor provides a positive drive connection, ensuring reliable torque transfer, especially under high load conditions.

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Frequently asked questions

What is the encoder resolution for the Siemens 1FK7100-2AF71-1RB0 servo motor?

The Siemens 1FK7100-2AF71-1RB0 servo motor features a 20-bit absolute encoder with a 12-bit multi-turn function, providing high-resolution feedback for precise motion control via the DRIVE-CLiQ interface.