1FK7043-4CH71-1QH1 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

1FK7043-4CH71-1QH1 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

The SIEMENS 1FK7043-4CH71-1QH1 is a premium high-performance synchronous motor from the renowned SIMOTICS S-1FK7 series, engineered to deliver precision, reliability, and efficiency for advanced automation systems. This model provides a continuous power rating of 1.2 kW with a torque of 3.5 Nm and a nominal speed of 4500 rpm. Featuring a plain shaft with holding brake and an absolute encoder Singletur​n 20-bit DRIVE-CLiQ interface, this motor ensures accurate position and speed feedback in high-performance applications. Designed for natural cooling and built with a durable IP65 protection rating, it withstands demanding industrial environments while maintaining long-term stability and low maintenance needs.

Overview

The SIMOTICS S-1FK7 family consists of compact, permanent-magnet synchronous motors ideal for modern automation solutions. Each motor combines compact design with high torque density, enabling powerful performance in minimal space. These motors can be seamlessly integrated with the SINAMICS S120 or S220 drive systems to form an advanced motion control setup that offers precise control, flexibility, and energy efficiency. The integrated encoder systems allow for exact positioning and feedback, ensuring smooth operation in complex motion sequences. The efficient heat dissipation through the housing surface and robust design enhance reliability and uptime in continuous operation.

Design and Benefits

The 1FK7043-4CH71-1QH1 is part of the High Dynamic series, known for exceptional responsiveness due to its low rotor inertia. It supports applications requiring quick acceleration and deceleration, providing superior control even under variable load conditions. The compact frame design (IMB 5, IM V1, IM V3) with a rotatable power connector allows flexible installation in different machine configurations. Users benefit from reduced commissioning time, reliable torque output, and minimal vibration during operation. Whether installed in robotics, packaging machinery, or CNC systems, this synchronous motor delivers consistent, efficient performance across a broad range of industrial sectors.

Applications

• Machine tools and automated production lines
• Robotics and handling systems
• Packaging, plastics, textile, and printing machinery
• Wood, glass, ceramics, and stone processing
• Auxiliary and secondary axes in complex automation systems

Download

Data Sheet (PDF)

Product Code: 1FK7043-4CH71-1QH1

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