SIEMENS 1FK7042-5AK71-1GB3 Servo motor 6000rpm

Buy online your SIEMENS 1FK7042-5AK71-1GB3 Servo motor from UK e-store Cnc-shopping UK, specialist in CNC machine-tools spare parts.

The SIEMENS 1FK7042-5AK71-1GB3 is a synchronous AC servo motor from the SIMOTICS S – 1FK7 Compact series, designed to provide precise axis control for CNC machine tools and industrial automation equipment. It serves as a reliable replacement motor or industrial spare part for maintenance and retrofit applications.

This SIEMENS servo motor delivers 3.0 Nm of torque, 1.02 kW of power, and a rated speed of 6,000 rpm. It features a single-turn absolute encoder, 32 S/R (A-32), a keyed shaft, an integrated holding brake, and 270° rotatable connectors. Its self-cooled design provides an IP64 protection rating.

The 1FK7042-5AK71-1GB3 is suitable for machining centers, CNC lathes, positioning axes, indexing tables, and automated systems. It can be used with SINAMICS S120 or SIMODRIVE drive systems, depending on the original machine configuration. Motor, encoder, brake, and connector compatibility should be verified before replacement.

Manufactured in Germany, this motor can also serve as an emergency spare to minimize unexpected production downtime.

Units supplied by Cnc-shopping can be inspected and tested on suitable test benches before shipment. They are supplied with a commercial warranty, with worldwide shipping and an estimated dispatch time of 3 days, depending on availability.

Cnc-shopping also provides solutions for sourcing obsolete parts, as well as repair and exchange services when applicable.

Frequently asked questions about 1FK7042-5AK71-1GB3:

Will this motor work with SINAMICS S120 or SIMODRIVE 611 drives
Yes when the complete code matches the original motor and the drive parameters are aligned with the nameplate data. Always confirm the motor code, connector orientation and feedback option against your existing unit and the drive configuration file.

Does the variant include a specific encoder or brake option
The feedback and brake configuration are defined by the full ordering code. Match the exact code on your current motor to ensure the same encoder and mechanical options, then keep the drive parameters consistent with the OEM setup.

Can I use a different 1FK7042 variant as a substitute
Only if mechanical and electrical options are equivalent. Differences in feedback type, shaft, keying or brake can require mechanical changes and drive re-parameterization, so a like-for-like code is the safest drop-in replacement.

What should be checked before installation
Verify flange size, shaft details, connector orientation, feedback type and the drive parameter set. Confirm that the motor data in the CNC and drive match the nameplate to avoid faults during axis enable.

What is the typical lead time
Fast dispatch is typically available within 3 days depending on stock. Worldwide shipping is available with packaging prepared for industrial transport.