1FK7043-4CH71-1BH2 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

1FK7043-4CH71-1BH2 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

The SIEMENS SIMOTICS S 1FK7043-4CH71-1BH2 is a high-quality synchronous motor engineered for precision motion control and demanding industrial applications. Delivering a rated power of 1.2 kW and a torque of 3.5 Nm, it operates at 4500 rpm with a DC link voltage of 600 V. This model features a plain shaft with tolerance N, an integrated holding brake, and an absolute encoder (AS24DQI) that provides 24-bit resolution for superior positioning accuracy. Its naturally cooled design and IP65/IP67 protection ensure dependable operation even in challenging environments. Built to the highest German engineering standards, this SIMOTICS S motor offers reliability, performance, and long-term durability for a wide variety of automation systems.

Overview

The SIMOTICS S-1FK7 motor series from Siemens represents the next level in compact, high-efficiency synchronous motor technology. Designed for seamless integration with SINAMICS S120 and S220 drive systems, these motors deliver excellent speed and position control performance. The permanent-magnet rotor enables high torque density while maintaining low inertia, resulting in rapid acceleration and smooth operation across a wide speed range. Built for versatility, the SIMOTICS S-1FK7 series includes Compact, High Dynamic, and High Inertia models to meet the specific requirements of each application — from precision tools to robust handling systems.

Design and Benefits

The 1FK7043-4CH71-1BH2 motor offers a compact and energy-efficient design ideal for space-limited installations. Its naturally cooled frame efficiently dissipates heat through the motor surface, eliminating the need for external cooling systems. The encoder system supports accurate feedback for closed-loop control, reducing system downtime and increasing operational precision. The motor’s high overload capability and dynamic response make it suitable for automation processes that require both stability and responsiveness. With its rotatable power connector, standardized mounting flange, and protective construction, this motor ensures simple installation and reliable long-term performance.

Applications

• Machine tools and precision positioning equipment
• Robotic arms and automated handling systems
• Packaging, plastics, and textile machinery
• Wood, glass, ceramics, and stone processing
• Printing machines and auxiliary industrial axes

Download

Data Sheet (PDF)

Product Code: 1FK7043-4CH71-1BH2

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