KDA 3.2-050-3-L0D-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 3.2-050-3-L0D-W1 is part of the KDA Spindle Drives series and operates with a rated current of 50 Amps at a DC supply voltage of 300 VDC. It features a forced cooling system using a mounted heatsink blower powered by a 220V AC source, and is equipped with a SERCOS speed command value interface and digital position command value input.
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Product Description:
The KDA 3.2-050-3-L0D-W1 is a spindle drive module from Bosch Rexroth Indramat in the KDA Spindle Drives series. It regulates three-phase servo or induction spindles in machining centers by controlling torque and speed in a closed loop with the machine controller. The unit combines power conversion and control functions in one module so the spindle can follow commanded operating conditions during cutting and positioning. In machining applications, this supports steady speed control during drilling, milling, and similar processes where load conditions can change quickly. The unit is built as Series 3, Version 2.
The power section operates from a DC bus of 300 VDC, which is supplied by a common power unit inside the cabinet. Using a shared DC bus reduces the amount of three-phase mains wiring needed inside the enclosure. At that bus voltage, the drive can provide a continuous output current of 50 A for moderate- to high-power spindle applications. Heat is removed by a heat sink-mounted blower, and that blower uses a separate supply of 220 V at 50/60 Hz. This arrangement provides forced cooling across the fins to keep the power semiconductors within their normal operating range. The specified ambient operating temperature is 5 to 45 °C.
The unit can be installed at elevations up to 1000 m above sea level without derating. Command data is exchanged through the SERCOS interface, while a separate digital position command value channel can be used for position-related command input. This arrangement lets the control system send spindle commands and related control data through dedicated paths. Because the hardware does not include a second encoder input, the connected spindle must use the standard feedback arrangement supported by the drive. The Series 3, Version 2 design keeps the module compatible with established KDA wiring practices while matching the intended supply sections for this product line.
Frequently Asked Questions about KDA 3.2-050-3-L0D-W1:
Q: What type of cooling system does the KDA 3.2-050-3-L0D-W1 spindle drive use?
A: The KDA 3.2-050-3-L0D-W1 supports a forced cooling system using a mounted heatsink blower.
Q: What is the rated current of the KDA 3.2-050-3-L0D-W1 spindle drive?
A: This model operates with a rated current of 50 A for spindle drive applications.
Q: What is the required DC supply voltage for the KDA 3.2-050-3-L0D-W1?
A: The drive requires a DC supply voltage of 300 VDC for operation.
Q: Which interface is used for speed command values on this spindle drive?
A: The KDA 3.2-050-3-L0D-W1 communicates speed command values via the SERCOS Interface.
Q: What is the operating ambient temperature range for the KDA 3.2-050-3-L0D-W1?
A: The supports operation at ambient temperatures ranging from 5 to 45 degrees Celsius.
