KDA 2.1-150-3-A0S-U1
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The KDA 2.1-150-3-A0S-U1 spindle drive is equipped with air-cooled technology, an analog interface for command communication, and a rated current of 150A. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it is designed for control cabinet mounting and features an IP10 protection class, which can be enhanced with an enclosure.
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Product Description:
The KDA 2.1-150-3-A0S-U1 is a Digital Main Spindle Drive produced by Bosch Rexroth. This unit is part of the KDA series and is specifically designed to operate in environments where a shared DC bus system is used. A DC input of 300 V is needed for its operation. The grounding bolt is located on the top section for proper electrical safety during installation.
The KDA 2.1-150-3-A0S-U1 spindle drive delivers a continuous current output of approximately 90 A. The drive has a rated capacity of 150 A for demanding spindle operations. A 24 V control voltage is delivered through the system bus for logic and feedback operations. The drive includes a 15-pin X3 connector for standard motor feedback and an analog speed control input with a ±10 V signal range. The speed command input is handled via a 9-pin X4 interface. The KDA 2.1-150-3-A0S-U1 spindle drive also includes a serial RS-232C port for PC communication and basic diagnostics. This drive does not include auxiliary interface options under its current configuration. The cooling of the drive is managed through a forced-air system. It features a rear-mounted heatsink blower aiding in thermal regulation.
The KDA 2.1-150-3-A0S-U1 spindle drive measures 373 mm x 185 mm x 345 mm. The main unit weighs about 17.4 kg. The blower adds another 4.2 kg, and the mounting kit contributes 1.7 kg. It uses the same panel cutout design as the KDA 3 series. A minimum airflow of 32 liters per second is required for proper ventilation. Internal heat dissipation can reach 200 watts, while the external blower handles up to 400 watts. The drive must be installed vertically. The drive is engineered for industrial automation, ensuring dependable performance in challenging spindle drive applications.
Frequently Asked Questions about KDA 2.1-150-3-A0S-U1:
Q: How does KDA 2.1-150-3-A0S-U1 manage thermal output?
A: The KDA 2.1-150-3-A0S-U1 spindle drive uses a rear-mounted heatsink blower for cooling high-power components. The system supports up to 400 W of external thermal load dissipation.
Q: What airflow conditions are required for KDA 2.1-150-3-A0S-U1?
A: The KDA 2.1-150-3-A0S-U1 spindle drive needs at least 32 liters per second of airflow. The airflow maintains internal temperatures below thermal protection thresholds during operation.
Q: Which orientation is required for KDA 2.1-150-3-A0S-U1 installation?
A: The KDA 2.1-150-3-A0S-U1 spindle drive must be mounted in a vertical position. The specified orientation supports optimal convection and internal airflow channeling.
Q: How does KDA 2.1-150-3-A0S-U1 connect with spindle control systems?
A: The KDA 2.1-150-3-A0S-U1 spindle drive accepts analog ±10 V speed commands through its 9-pin X4 port. The interface allows integration with analog motion control systems.
Q: What diagnostic options are available for KDA 2.1-150-3-A0S-U1?
A: The KDA 2.1-150-3-A0S-U1 spindle drive features an RS-232C serial port for PC-based monitoring. The port supports parameter readouts and basic fault reporting.
