KDA 3.1-050-3-AQD-U1
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The KDA 3.1-050-3-AQD-U1 spindle drive offers a rated current of 50 amps, operates on a 3 x 380…480 V AC input voltage, features air-cooled functionality, and measures 90 mm in width. Part of the KDA Spindle Drives series from Bosch Rexroth Indramat, it includes IP20 protection and a resolver feedback system.
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Product Description:
The product KDA 3.1-050-3-AQD-U1 belongs to the KDA Spindle Drives series by Bosch Rexroth Indramat a recognized manufacturer in drive and control technology. This unit is from Series 3 with a Design 1 configuration. It enables steady output in industrial settings by delivering a rated current of 50 A with a DC bus voltage of 300 V.
The KDA 3.1-050-3-AQD-U1 Spindle Drive features analogue +/- 10V to accept speed command signals for efficient motor control. For precise location feedback a 1V sinusoidal encoder (auxiliary) is used in this drive. This 16-bit parallel auxiliary interface offers reliable communication between the system and attached modules. This setup ensures optimal response time and signal integrity. The AC supply source for the heatsink blower is 115 V / 50-60 Hz suitable for a wide range of industrial supply systems. In order to promote effective heat dissipation and system stability, the heatsink blower forces cooling in the cooling mode. This feature improves overall equipment life and maintains consistent operation during heavy use. The KDA drive must be installed and used with the modules specified by the manufacturers. The KDA spindle drives are designed to operate in ambient conditions ranging from +5 to +45 °C with normal data.
The KDA 3.1-050-3-AQD-U1 Spindle Drives can handle up to 55 °C with reduced nominal data which confirms reliable operation in warmer environments. For storage and transportation, it withstands a temperature range from -30 to +85 °C, which improves handling safety. The spindle drive unit comes with a protection category of IP10 and meets the permissible humidity class F which makes it suitable for controlled industrial environments. Get this drive online from Wake Industrial website.
Frequently Asked Questions about KDA 3.1-050-3-AQD-U1:
Q: Why does the KDA 3.1-050-3-AQD-U1 use a 1V sinusoidal encoder input?
A: The encoder input allows highly accurate position sensing in real-time motion applications. It improves dynamic response and positioning in CNC systems.
Q: What is the benefit of Class F humidity tolerance in the KDA 3.1-050-3-AQD-U1?
A: The Class F rating allows operation in environments with moderate humidity. It protects against moisture-related electrical faults in industrial enclosures.
Q: How does operating at up to 55 °C affect drive performance?
A: The drive sustains operation at 55 °C with reduced nominal data. This derating ensures thermal protection without immediate shutdown in warmer environments.
Q: Can the KDA 3.1-050-3-AQD-U1 be used in mobile machinery applications?
A: The KDA series is designed for stationary industrial environments. It lacks the ruggedization needed for mobile or shock-prone equipment.
Q: Why does the heatsink blower operate at 115 V / 50-60 Hz?
A: The universal AC blower voltage ensures compatibility with global industrial power grids. It maintains optimal thermal management across regions with varying supply standards.
