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KDA 3.3-050-3-DQD-U1

KDA Spindle Drives

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1 Year Warranty Included
Free Ground Shipping

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6 Minutes 54 Seconds

The Bosch Rexroth Indramat KDA 3.3-050-3-DQD-U1 main spindle drive is part of the renowned KDA Spindle Drives series, engineered for high-stiffness motion control in demanding machining applications. This drive delivers a rated current of 50 A and operates on a 300 V DC bus voltage, ensuring continuous power delivery across a wide speed range. Its primary function is to control main spindle motors with precision, offering robust positioning features and smooth speed regulation for milling, drilling, and grinding tasks.



Equipped with a Digital 16-Bit Parallel Position Command Interface, the KDA 3.3-050-3-DQD-U1 offers exceptional command resolution and rapid response to control signals. The drive includes an auxiliary encoder input for 1 V sinusoidal encoders, facilitating high-accuracy feedback for closed-loop positioning. Cooling demands are met by a forced-cooled heatsink blower, which maintains optimal operating temperatures under continuous load. The unit design ("3") and product family ("KDA") reflect its modular architecture, enabling straightforward integration into existing automation systems.



Additional features include an AC supply source for the heatsink blower (115 VAC) and a series designation of "3", ensuring compatibility with standardized control platforms from Bosch Rexroth Indramat. The rugged forced-cooling system enhances durability and reduces thermal drift, promoting long-term operational efficiency. The digital speed command interface and auxiliary encoder input ensure seamless interoperability with advanced CNC controllers. In industrial environments, the KDA spindle drive delivers precise torque control, reliable speed stability, and high availability, making it an ideal solution for high-performance manufacturing processes.

Technical Specifications

AC Supply Source for Heatsink Blower
115 VAC

Aux. Encoder Input
With Aux. Encoder Input for 1V Sinusoidal Enc.

Aux. Interface
Position Command Value Digital 16-Bit Parallel

Cooling
Forced Cooled by Heatsink Blower

DC Bus Voltage
300 V

Design
3

Product
KDA

Rated Current
50 A

Series
3

Speed Command Value
Digital 16-Bit Parallel

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the KDA 3.3-050-3-DQD-U1.
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