KDA 2.1-050-3-API-U1
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The Bosch Rexroth Indramat KDA 2.1-050-3-API-U1, part of the KDA Spindle Drives series, is an air-cooled drive controller with an output current of 50 Amps. It operates at a frequency of 50/60 Hz and supports input voltages of 3 x 380-480 V AC. The unit approximately weighs 15 kilograms.
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Product Description:
Bosch Rexroth’s latest KDA 2.1-050-3-API-U1 drive controller embodies industrial precision with its drive controller architecture, delivering a robust signal management for spindle applications. Its 3 × 380-480 V AC input voltage is suitable for typical three‑phase supplies which minimizes upstream transformer needs. This spindle drive with 50 A output current rating sustains continuous torque delivery which underpins stable high‑load operation. An air‑cooled configuration removes heat without auxiliary water systems that simplifies maintenance.
Operating at 50/60 Hz enables compatibility across global grids, thus reduces configuration overhead. General compliance with API standards guarantees interoperability with legacy automation protocols to protect long‑term system investments. Integrated power supply and main amplifier modules consolidate components which shrink control‑cabinet footprint. A protection class typically equivalent to IP20 or IP21 guards internal electronics which limit contamination risk. Optional fieldbus expansions facilitate flexible communication for streamlined integration into diverse control networks. Cabinet‑mount enclosure design anchors secure installation to prevent vibration‑induced faults. The KDA 2.1-050-3-API-U1 unit operates between 0 to 45°C tolerance supports deployment in standard industrial environments which avoids auxiliary climate control.
An approximate weight of 15 kg balances rugged construction with manageable handling, thus simplifies installation workflows. Maintaining a consistent 300 V DC bus voltage stabilizes the intermediate circuit, cutting down on power fluctuations and enhancing system responsiveness. A 115 VAC powered heatsink blower directs airflow precisely, thus keeping temperatures in check during extended use. An incremental encoder output interface provides precise speed command signals which boosts control-loop accuracy. The housing dimensions of around 498 × 292 × 65 mm permit mounting in confined rack spaces which maximizes cabinet density.
Frequently Asked Questions about KDA 2.1-050-3-API-U1:
Q: What type of controller does the KDA 2.1-050-3-API-U1 employ?
A: The KDA 2.1-050-3-API-U1 utilizes a dedicated drive controller configuration that manages power conversion and command processing within a single compact module to optimize spindle drive performance.
Q: Why does a 50 A output current matter for the KDA 2.1-050-3-API-U1?
A: This 50A continuous output capability defines the maximum current available for motor windings which ensures reliable torque delivery and prevents thermal overload during extended machining cycles.
Q: How does the KDA 2.1-050-3-API-U1 accommodate line voltage?
A: The drive accepts a three‑phase 380–480 V AC input which aligns with industrial supply standards to reduce the need for voltage conversion equipment and streamline factory integration.
Q: How does air cooling benefit the KDA 2.1-050-3-API-U1?
A: With this air‑cooled heat rejection eliminates the requirement for liquid circuits, reducing maintenance complexity and removes the risk of coolant leaks within control cabinets.
Q: How does API‑standard compliance impact the KDA 2.1-050-3-API-U1?
A: Meeting API interoperability norms guarantees consistent command syntax and data exchange with other API‑certified automation components which streamlines system commissioning.
