KDA 2.1-050-3-AQ0-U1
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The Bosch Rexroth Indramat KDA 2.1-050-3-AQ0-U1 Spindle Drive, part of the KDA Spindle Drives series, operates with analog speed interface control and is air-cooled. It is rated for a current of 50 Amps and a power supply voltage of 3 × AC 400…480 V ±10% at 50–60 Hz. The drive weighs approximately 17 kg.
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Product Description:
KDA 2.1-050-3-AQ0-U1 is manufactured by the Bosch Rexroth Indramat with a product series classification as KDA. A steady 50 A output current ensures reliable torque during extended spindle operation, preserving consistent machining performance. Mono‑axis configuration governs one spindle channel that simplifies control architecture and reduces system complexity. This spindle drive’s power supply voltage offers 3 × AC 400…480 V ±10 % with 50 to 60 Hz frequency, matching industrial mains to eliminate extensive voltage conversion hardware.
With an analog speed interface control type, it processes speed commands directly and expedites response tuning. Air cooling methods circulate ambient air through internal blowers which remove heat without external coolant systems. An IP10 enclosure rating permits minimal protection against solid objects that suit clean workshop environments. Operating between 0°C and +45°C permissible temperature manages standard floors and avoids excessive thermal conditioning. Measuring a weight of 17 kg and its storage tolerance from -25°C to +70°C accommodates fluctuating warehouse conditions which safeguard the drive during transport.
Relay outputs for fault and ready signals communicate drive status externally and accelerates system diagnostics. Absence of any fieldbus interface indicates a purely analog drive which simplifies network requirements. The device operates on a bus voltage of 300 V DC, delivering stable mid-range power that minimizes current ripple under fluctuating load demands. A speed command of ±10 V in analog form supports direct reference input, making it compatible with older control systems. A dedicated heatsink blower system, triggered at 115 VAC, powers forced air cooling to regulate internal temperatures effectively. Additionally, a secondary encoder channel accepts 1 V sinusoidal feedback, supplying precise signals to improve spindle coordination. While lack of an auxiliary digital interface reduces component count which minimizes configuration steps.
Frequently Asked Questions about KDA 2.1-050-3-AQ0-U1:
Q: How many spindle axes can the KDA 2.1-050-3-AQ0-U1 control?
A: This module controls a single axis which streamlines configuration for one‑spindle CNC machines and reduces drive count in dedicated applications.
Q: What AC supply voltage does the KDA 2.1-050-3-AQ0-U1 require?
A: The module accepts 3 × 400…480 VAC with ±10% tolerance at 50…60 Hz which aligns with global industrial power grids and negates complex voltage adapters.
Q: Why is analog speed Interface used on the KDA 2.1-050-3-AQ0-U1?
A: This analog speed interface control processes ±10 V speed signals directly which accelerates command execution and reduces software overhead.
Q: How does air cooling affect the KDA 2.1-050-3-AQ0-U1’s performance?
A: The air cooling circulates room temperature air through integrated blowers which removes dissipated heat and eliminates coolant maintenance requirements.
Q: What protection level does IP 10 offer for the KDA 2.1-050-3-AQ0-U1?
A: An IP10 rating prevents objects larger than 50 mm from entering the enclosure which shields internal electronics from accidental contact.
