This part is a kind of semiconductor called 1FT6105-1AC71.

Function of this product has motors.

Manufacturers : Siemens

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Some of the text within the PDF file :

© Siemens AG 2008 Synchronous motors 1FT6 motors I Overview I Benefits 7 7 7 4 7 7 7 7 7 7 7 Optimum surface quality at the workpiece thanks to highest smooth running characteristics degree of radial eccentricity (sinusoidal current injection) Minimized downtime due to high dynamic performance Power and signal connections for use in highly contaminative environments High resistance to cantilever force High thermal reserves for continuous or overload applications High overload capability (250 ms) Extremely high efficiency Extremely good drive dynamic response due to low rotor moments of inertia Low torque ripple (mean value 1 %) High degree of protection I Applications • High-performance machine tools • Machines with stringent requirements in terms of dynamic response, precision [ ... ]

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