R911270242 (KDA 3.3-100-3-D00-U1)

KDA Spindle Drives

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The R911270242 (KDA 3.3-100-3-D00-U1) is a Series 3, Design 3 spindle drive developed for use with Indramat 2AD asynchronous and 1MB frameless spindle motors. It supports a rated current of 100 A with a continuous current of 70 A and operates on a DC bus voltage of 300 V. The unit integrates an auxiliary encoder input and accommodates an analog speed command. Cooling is managed via a forced-air system utilizing a 220 VAC blower, ensuring effective thermal regulation. This drive is designed for applications requiring high stiffness and a wide speed range, such as C axis functions and spindle positioning in CNC machine tools.