1FK7042-3BK71-1RB2 SIEMENS Exclusive SIMOTICS S-1FK7 High Inertia Synchronous Motor Original Brand New

1FK7042-3BK71-1RB2 SIEMENS Exclusive SIMOTICS S-1FK7 High Inertia Synchronous Motor Original Brand New

This motor represents a precision-engineered drive solution for modern automation systems. With a rated power of 0.94 kW and a rated speed of 6000 rpm, this synchronous motor is optimized for dynamic yet stable motion control. Designed with natural cooling and built to the high protection standards of IP65 and IP67, it ensures long-term durability and performance reliability even in challenging industrial environments.

The 1FK7042-3BK71-1RB2 features a rotatable power connector, an absolute encoder with 20-bit single-turn and 12-bit multi-turn resolution, and an integrated DRIVE-CLiQ interface for seamless communication with the SINAMICS S120/S220 drive systems. The motor’s shaft with feather key and holding brake provides secure torque transmission and precise motion control, making it ideal for both continuous and high-precision positioning applications. Built under the SIMOTICS S family, this motor embodies SIEMENS’ excellence in automation and mechanical drive technology.

Overview

SIMOTICS S-1FK7 motors are compact, permanent-magnet synchronous units that deliver high power density in a minimal footprint. They can be perfectly adapted to a variety of industrial tasks thanks to their extensive range of encoder options, mechanical designs, and gearbox combinations. These motors efficiently dissipate heat through the surface, eliminating the need for external cooling and ensuring dependable performance with minimal maintenance.

Design and Benefits

• High-precision feedback via integrated encoder for speed and position control
• Extremely high dynamic response due to low rotor inertia
• Stable closed-loop performance under varying load conditions
• Compact structure for space-efficient installation
• Compatible with SINAMICS drive systems for flexible integration
• Available in multiple mechanical variants for universal use

Applications

The SIMOTICS S-1FK7 High Inertia Motor is suited for machine tools, robotic systems, packaging and textile machines, wood and glass processing, and auxiliary industrial axes. Its adaptability makes it an excellent choice wherever smooth operation, high torque stability, and long-term dependability are required.

Product Code: 1FK7042-3BK71-1RB2

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