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Siemens SIMOTICS S 1FK7 Servo Motor - 27 Nm, 4.3 kW, Holding Brake

Siemens SIMOTICS S 1FK7 Servo Motor with Holding Brake & Drive-CLiQ.

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ManufacturerSiemens

Part number1FK7101-2AC71-1BH1

Power 4.3 kW

Torque 27 Nm

Speed 2000 rpm

Cooling Naturally cooled

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SIMOTICS S synchronous motor 1FK7-CT series 27 Nm holding torque With holding brake Absolute encoder 24-bit Drive-CLiQ interface IP65 protection

Product description

The Siemens SIMOTICS S synchronous servo motor 1FK7-CT (1FK7101-2AC71-1BH1) is a powerful motor designed for high-performance automation. It delivers 27 Nm of torque at 2000 rpm, with a continuous power of 4.3 kW, and is naturally cooled. This motor features an absolute encoder single-turn 24-bit with a Drive-CLiQ interface for seamless integration. It includes a holding brake for safe positioning and a smooth shaft with tolerance N, offering an IP65 degree of protection.

This servo motor is ideal for applications requiring precise motion control, holding torque, and digital connectivity, such as vertical axes on machine tools, robotics, automated warehousing, and material handling systems.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 1FK7101-2AC71-1BH1. We provide reliable sourcing and competitive pricing to ensure your automation projects stay on track.

Technical specifications

Power	4.3 kW
Torque	27 Nm
Speed	2000 rpm
Cooling	Naturally cooled
Mounting	IMB 5
Encoder	Absolute encoder single-turn 24-bit with Drive-CLiQ
Shaft	Smooth shaft, Tolerance N
Brake	With holding brake
IP Rating	IP65

Common applications

Machine tools

Robotics

Automated warehousing

Material handling

Vertical axes

High-precision automation

Compatible systems

Siemens SINAMICS drives Siemens SIMOTION controllers Motion Control Systems

Also known as

Siemens 1FK7 servo SIMOTICS S motor 1FK7101 servo Servo motor with brake Drive-CLiQ motor

Replaces / compatible with

This motor is designed to replace similar Siemens 1FK7-CT series motors. Its integrated holding brake makes it suitable for applications requiring positional integrity when power is removed.

Technical note

Expert tip

The single-turn 24-bit absolute encoder ensures precise position feedback across a full revolution and simplifies homing procedures compared to incremental encoders.

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Frequently asked questions

What is the purpose of the holding brake in the 1FK7101-2AC71-1BH1 servo motor?

The holding brake provides mechanical braking to maintain the motor's position when power is off or during an emergency stop, preventing unwanted movement, especially on vertical axes.