KDA 3.2-050-3-AQ0-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 3.2-050-3-AQ0-W1 is a spindle drive from the KDA Spindle Drives series. It features a forced cooling system using a mounted heatsink blower and operates with a rated current of 50 Amps. The drive supports a DC supply voltage of 300 VDC and can be used in ambient temperatures from 5 to 45 degrees Celsius.
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Product Description:
The KDA 3.2-050-3-AQ0-W1 is a spindle drive produced by Bosch Rexroth Indramat for the KDA Spindle Drives series. As a drive module, it supplies regulated three-phase power to high-speed machine tool spindles, translating velocity commands from a CNC or PLC into precise motor currents that help maintain torque under load. In typical use, the module supports stable spindle operation during cutting, drilling, and milling processes where demand can change quickly. The series 3 and version 2 codes identify the product generation within the KDA platform, which supports compatibility with companion supply units and feedback cards used in industrial machining centers and automated production cells.
The drive is energized from a DC bus rated at 300 VDC, allowing it to share a common supply with other Indramat axes. Under continuous operation, it can deliver 50 A of output current, providing sufficient current capacity for medium-frame induction or synchronous spindles. An auxiliary single-phase feed of 220 V/50-60 Hz powers the integral heatsink blower so thermal load is removed without taxing the main bus. Reliable function is maintained within an ambient range of 5 °C to 45 °C, which helps keep component temperatures stable on the factory floor. Installation altitude is limited to 1000 m above sea level because reduced air density lowers blower cooling performance.
Cooling hardware consists of a mounted heatsink blower that forces air through the fin stack, and this method is classified as forced cooling. Because the speed loop accepts an analog speed command, the unit can integrate directly with legacy control boards that output ±10 V references. The drive uses a standard terminal-strip interface, so diagnostic signals remain on fixed wiring connections rather than an added communication expansion port. This arrangement keeps control connections straightforward inside enclosed machine cabinets.
Frequently Asked Questions about KDA 3.2-050-3-AQ0-W1:
Q: What type of cooling does the KDA 3.2-050-3-AQ0-W1 spindle drive utilize?
A: The KDA 3.2-050-3-AQ0-W1 spindle drive uses a mounted heatsink blower for cooling.
Q: What is the rated current of the KDA 3.2-050-3-AQ0-W1 spindle drive?
A: This model operates with a rated current of 50 A, supporting high-performance spindle applications.
Q: What is the required DC supply voltage for the KDA 3.2-050-3-AQ0-W1?
A: The spindle drive requires a DC supply voltage of 300 VDC for proper operation.
Q: What type of speed command input does the KDA 3.2-050-3-AQ0-W1 support?
A: This drive accepts an analog speed command value for controlling spindle speed.
Q: What is the operating ambient temperature range for the KDA 3.2-050-3-AQ0-W1?
A: The permissible ambient temperature range for this model is 5 to 45 degrees Celsius.
