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Siemens 1FK7 Compact Servo Motor: 48 Nm, 2000 RPM, 7.75 kW

Siemens 1FK7 Compact Synchronous Servo Motor with Absolute Encoder.

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ManufacturerSiemens

Part number1FK7105-5AC71-1EH3

Torque 48 Nm

Speed 2000 rpm

Power 7.75 kW

Cooling Natural

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1FK7 Compact series ABSOLUTE ENCODER ENDAT 2048 P/REV Holding brake IP64 protection Plain shaft 48 Nm torque

Product description

The Siemens 1FK7105-5AC71-1EH3 is a SIMOTICS S synchronous servo motor from the 1FK7 Compact series. It features a torque of 48 Nm, a nominal speed of 2000 rpm, and a power output of 7.75 kW, with natural cooling. The motor is designed for IM B5 mounting and includes a rotatable power/signal connector plug. It is equipped with an ABSOLUTE ENCODER ENDAT 2048 P/REV, a plain shaft with tolerance N, and a holding brake. The degree of protection is IP64, and it has a RAL7016 paint finish. Note that performance is reduced by 10% due to the absolute encoder.

This servo motor is ideal for applications requiring precise positioning and high dynamics, such as in automation systems, robotics, CNC machines, and material handling equipment across various industries including automotive, packaging, and general manufacturing.

Stanlo Automation, a veteran-owned business, offers this Siemens servo motor. We specialize in surplus industrial automation parts, providing reliable components at competitive prices. Source your automation needs from Stanlo for quality, value, and expert support.

Technical specifications

Torque	48 Nm
Speed	2000 rpm
Power	7.75 kW
Cooling	Natural
Mounting	IM B5
Encoder	ABSOLUTE ENCODER ENDAT 2048 P/REV
Shaft	Plain Shaft, Tolerance N
Brake	Holding Brake
IP Rating	IP64
Color	RAL7016

Common applications

Robotics

CNC Machining

Automation Systems

Material Handling

Packaging Machinery

Precision Motion Control

Compatible systems

Requires compatible Siemens servo drive and controller (e.g., SINAMICS, SIMOTION)

Also known as

Siemens SIMOTICS S 1FK7105 1FK7 Compact Servo Siemens Servo Drive Motor

Replaces / compatible with

This part is a specific configuration within the Siemens SIMOTICS S 1FK7 series and is not typically designed as a direct replacement for older, different part numbers without cross-referencing specifications.

Technical note

Expert tip

The 10% performance reduction due to the absolute encoder is a key specification to consider during system design and load calculations.

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Frequently asked questions

What is the IP rating for the Siemens 1FK7105-5AC71-1EH3 servo motor?

The Siemens 1FK7105-5AC71-1EH3 servo motor has a degree of protection of IP64. This means it is protected against dust ingress and protected against water jets from any direction.