1FK7043-4CH71-1RA1 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

1FK7043-4CH71-1RA1 SIEMENS Exclusive SIMOTICS S Synchronous Motor Original Brand New

The SIEMENS SIMOTICS S 1FK7043-4CH71-1RA1 is a high-precision synchronous motor built for demanding industrial motion control applications. Delivering 1.2 kW nominal power and a rated torque of 3.5 Nm, this motor combines compact construction with high reliability and accuracy. Designed for a rated speed of 4500 rpm and a 600 V DC link voltage, it ensures consistent, smooth, and efficient performance in dynamic automation systems.

Its naturally cooled housing (IMB 5 mounting type) provides effective thermal management, maintaining optimal operation without external cooling systems. The rotatable power connector and 20-bit + 12-bit multiturn absolute encoder with DRIVE-CLiQ interface (AM20DQI) offer superior precision feedback and easy integration with SIEMENS SINAMICS drives. The motor’s robust construction with IP65 protection and a keyed shaft guarantees reliable operation even in harsh industrial environments.

Overview

The SIMOTICS S-1FK7 motor series from Siemens represents advanced engineering in permanent-magnet synchronous motor technology. Each motor is designed for high-dynamic applications requiring precision, responsiveness, and long-term durability. The 1FK7043-4CH71-1RA1 model combines optimized compactness with flexible encoder and gearbox configurations, making it ideal for a wide range of industrial automation setups. When paired with SINAMICS S120 or S220 drive systems, it forms a powerful and intelligent drive package, providing precise speed and position control for complex machine movements. Its design enables heat dissipation through the motor surface, minimizing maintenance while ensuring consistent performance under heavy load conditions. The motor’s high overload capacity enhances operational safety and reliability across continuous or intermittent duty cycles.

Design and Applications

With its compact, space-saving form factor and high power density, the 1FK7043-4CH71-1RA1 offers exceptional versatility. It supports a wide spectrum of applications including machine tools, robotics, packaging systems, and textile machinery. Industries such as wood processing, printing, and material handling benefit from its dynamic response and stable closed-loop control. The SIMOTICS S-1FK7 series also includes variants for both High Dynamic and High Inertia requirements, ensuring precise adaptation to each production environment. Users gain smooth commissioning, minimal vibration, and superior positioning accuracy — essential for next-generation automation.

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Data Sheet (PDF)

Product Code: 1FK7043-4CH71-1RA1

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