KDA 3.2-150-3-A0I-U1
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The KDA 3.2-150-3-A0I-U1 is a panel-mounted servo drive that supports an input voltage of 3 x 400 VAC and operates with a rated current of 3.2 A. Manufactured by Bosch Rexroth Indramat, it is part of the KDA Spindle Drives series. This drive supports resolver and incremental encoder feedback with IP20 protection.
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Product Description:
The KDA 3.2-150-3-A0I-U1 Spindle Drive supports a variety of motion control architectures, which guarantee precise performance for applications in CNC and automation. This drive is engineered by Bosch Rexroth Indramat, and it comes with a rated current of 150 A.
The KDA 3.2-150-3-A0I-U1 spindle drive has a constant current of 90 A for stable spindle control during stressful load conditions. It works at a 300 VDC supply voltage and is ideal for uses where dependable and efficient power conversion is necessary. For thermal loads, this spindle drive has forced cooling through an onboard heatsink blower. The blower is driven by an AC supply source of 115V at 50–60 Hz to provide constant cooling and thermal control for longer operating times. Its speed setpoint interface is an analog input that accepts a ±10V analog signal for accurate spindle speed control via conventional analog systems. This drive’s auxiliary interface provides an incremental encoder output, making integration easy into feedback systems for real-time monitoring of the spindle and closed-loop control. The protection rating of this drive is IP 10 according to DIN 40 050, providing minimal protection against solid bodies and needing to be installed in protective enclosures.
The maximum ambient temperature of operation of the KDA 3.2-150-3-A0I-U1 drive is 55°C, making it safe in hot industrial environments. As far as installation is concerned, it can operate at heights up to 1000 meters above sea level without any compromise of its nominal performance. For mechanical mounting, this spindle drive comes with the M1-KD mechanical mounting kit that weighs a total of 1.7 kg and provides safe and stable vertical mounting. This spindle device is to be mounted vertically only, as needed for smooth airflow and thermal efficiency.
Frequently Asked Questions about KDA 3.2-150-3-A0I-U1:
Q: How does the incremental encoder output benefit this spindle drive?
A: It provides real-time feedback for closed-loop control, enhancing spindle precision. This improves synchronization in multi-axis or coordinated drive systems.
Q: Why is the speed setpoint range set to analog ±10V?
A: It enables compatibility with standard analog motion controllers. This allows accurate speed regulation in legacy and hybrid systems.
Q: How does the vertical-only mounting affect performance?
A: Vertical installation ensures proper airflow across the heatsink blower. Incorrect mounting can reduce cooling efficiency and affect drive lifespan.
Q: What is the role of the heatsink blower in KDA 3.2-150-3-A0I-U1?
A: It maintains thermal stability during high-load operations. Continuous airflow ensures the drive components stay within safe operating limits.
Q: Why is the M1-KD mounting kit weight important?
A: The 1.7 kg weight ensures reliable structural support without overloading panel mounts. It balances easy handling with secure attachment.
