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Siemens 1FK7084-3BC71-1CH1 SIMOTICS S Motor

Siemens SIMOTICS S high-inertia synchronous motor 1FK7-HI

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ManufacturerSiemens

Part number1FK7084-3BC71-1CH1

PN 3.1kW

UDC 600V

M0 20Nm (100K)

NN 2000rpm

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SIMOTICS S high-inertia synchronous motor 3.1kW nominal power 2000rpm nominal speed 24-bit + 12-bit absolute encoder DRIVE-CLiQ interface Holding brake IP65 protection

Product description

The Siemens 1FK7084-3BC71-1CH1 is a high-inertia SIMOTICS S synchronous motor designed for applications requiring high torque and precise positioning. It delivers a nominal power of 3.1kW, operates with a 600V DC link voltage, and provides a standstill torque of 20Nm (at 100K). This motor has a nominal speed of 2000rpm and features natural cooling within an IMB 5 design.

This motor is equipped with a 24-bit + 12-bit multiturn absolute encoder with a DRIVE-CLiQ interface for advanced diagnostics and communication. It has a smooth shaft with tolerance N, includes a holding brake for secure positioning, and offers IP65 degree of protection for robust operation.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens 1FK7084-3BC71-1CH1. We ensure that you receive high-quality, tested components to maintain your operational efficiency.

Technical specifications

PN	3.1kW
UDC	600V
M0	20Nm (100K)
NN	2000rpm
Cooling	Naturally cooled
Design	IMB 5 (IM V1, IM V3)
Flange	1
Encoder	Absolute 24-bit + 12-bit multiturn DRIVE-CLiQ (AM24DQI)
Shaft	Smooth, tolerance N
Brake	With holding brake
Protection	IP65

Common applications

Machine Tools

Robotics

CNC Machines

Automation Systems

High-Precision Positioning

Compatible systems

Siemens SIMOTICS Drives SINAMICS Drives

Also known as

Siemens 1FK7-HI Motor SIMOTICS S 1FK7-HI High Inertia Servo Motor

Replaces / compatible with

This motor is designed for use with Siemens drives and control systems, offering enhanced performance for high-inertia applications. It can replace older models with similar performance characteristics.

Technical note

Expert tip

The high-inertia design of this motor is beneficial for applications requiring significant momentum, such as large axis movements in machine tools.

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Frequently asked questions

What is the encoder resolution on the Siemens 1FK7084-3BC71-1CH1 motor?

The Siemens 1FK7084-3BC71-1CH1 motor is equipped with a high-resolution absolute encoder featuring 24 bits for the single-turn resolution and 12 bits for the multiturn capability, with a DRIVE-CLiQ interface.