1FK7042‑5AF71‑1FA3 | Siemens SIMOTICS S Motor for Robotics

Product Description

Overview

The Siemens 1FK7042‑5AF71‑1FA3 is a compact AC synchronous servo motor from the SIMOTICS S 1FK7 series, engineered for high-precision industrial motion control.
It combines a small footprint with robust performance, making it ideal for space-constrained applications such as machine tools, robotics, and packaging machinery.
Moreover, the motor integrates an absolute encoder system with DRIVE‑CLiQ interface, ensuring precise positioning and reliable feedback for high-speed operations.
Non-ventilated cooling and IP64 protection provide durability and suitability for harsh industrial environments, maintaining performance under continuous operation.

Technical Specifications

• Motor Type: Synchronous AC Servo Motor

• Series: SIMOTICS S 1FK7

• Frame Size: 04

• Length: 2

• Cooling Method: Naturally cooled (non‑ventilated, Compact CT design)

• Rated Speed: 3000 rpm

• Rated Torque: 3.0 Nm

• Rated Power: 0.82 kW

• DC Link Voltage: 600 V

• Construction Type: IM B5 flange mounting (compatible with IM V1, IM V3)

• Encoder System: Absolute encoder, EnDat 2048 pulses/rev, DRIVE‑CLiQ interface

• Shaft End: Keyway, radial eccentricity N, no holding brake

• Protection Class: IP64, painted finish (anthracite)

• Connection Type: Power connector with bracket for signal connection

• Weight: 4.5kg

FAQ

Q1: What is the primary use of the Siemens 1FK7042‑5AF71‑1FA3?
It is used for high-precision motion control in machine tools, robotics, and automation systems.

Q2: What encoder system does it feature?
It has an absolute encoder with EnDat 2048 pulses/rev and DRIVE‑CLiQ interface for exact feedback.

Q3: Can it operate in harsh environments?
Yes, the IP64 protection class and robust design enable reliable operation in industrial settings.

Q4: Is the motor suitable for compact installations?
Yes, its small footprint allows integration in space-constrained machinery and automation systems.

Q5: What is the rated torque and speed?
Rated torque is 3.0 Nm, and rated speed is 3000 rpm for standard operation.