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Siemens SIMOTICS S 1FK7 HD Servo Motor - 2 kW, 28 Nm, Holding Brake

Siemens SIMOTICS S 1FK7 High Dynamic Servo Motor with Holding Brake.

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ManufacturerSiemens

Part number1FK7086-4CF71-1CH0

Power 2 kW

Torque 28 Nm

Speed 3000 rpm

Cooling Natural

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High Dynamic Performance 2 kW Power 28 Nm Torque Holding Brake Absolute Encoder with DRIVE-CLIQ IP64 Protection

Product description

The Siemens 1FK7086-4CF71-1CH0 is a SIMOTICS S synchronous servo motor from the High Dynamic (HD) series. It features a rated power of 2 kW and a nominal torque (M0) of 28 Nm at 100K, with a rated speed (NN) of 3000 rpm. This naturally cooled motor is designed for IM B5 (IM V1, IM V3) frame size with a flange mount.

This motor is equipped with a rotatable power connector and an absolute encoder (24-bit + 12-bit multiturn, encoder AM24DQI) that uses the DRIVE-CLIQ interface. It has a plain shaft with tolerance N and crucially, includes a holding brake for secure positioning. The degree of protection is IP64.

Stanlo Automation, a veteran-owned surplus parts distributor, offers this Siemens 1FK7086-4CF71-1CH0 motor. We are dedicated to providing reliable, high-quality surplus industrial automation components to keep your operations running efficiently and minimize downtime.

Technical specifications

Power	2 kW
Torque	28 Nm
Speed	3000 rpm
Cooling	Natural
Mounting	IM B5 (IM V1, IM V3)
Encoder	Absolute (24-bit + 12-bit multiturn, AM24DQI)
Shaft	Plain
IP Rating	IP64
Brake	Yes

Common applications

Robotics

CNC Machines

Automation Control

Material Handling

Packaging Machinery

Compatible systems

SINAMICS S120 SINAMICS S110

Also known as

Siemens 1FK7 Servo Motor with Brake SIMOTICS S Motor with Holding Brake High Dynamic 2kW Motor

Replaces / compatible with

This motor is an ideal replacement for applications requiring precise positioning and holding torque, especially when a holding brake is essential for safety or process integrity.

Technical note

Expert tip

The DRIVE-CLIQ interface facilitates quick and reliable connection to SINAMICS S120 drives, enabling advanced diagnostics and parameterization.

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Frequently asked questions

Why is a holding brake important on a servo motor like the 1FK7086-4CF71-1CH0?

A holding brake is crucial for applications where the motor needs to maintain its position when not powered, such as in vertical axes to prevent loads from falling. It provides an extra layer of safety and operational stability.