KDA 3.1-150-3-DYD-U1
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The KDA 3.1-150-3-DYD-U1 spindle drive supports an analog command interface, operates with a current rating of 150 amps, and uses DYD blower cooling for efficient air circulation. Manufactured by Bosch Rexroth Indramat, the KDA Spindle Drives series offers cabinet mounting and supports resolver and encoder feedback.
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Product Description:
The variant number KDA 3.1-150-3-DYD-U1 belongs to the top-reviewed Bosch Rexroth’s KDA Spindle Drives family, confirming its series for spindle applications and making procurement straightforward. This variant has a current rating of 150 A, giving it the capacity to handle heavy spindle demands and deliver quick torque response during machining. It also supports three axes which allow multi-spindle setups and enables three synchronized spindle outputs from one control housing. “DYD” denotes a cooling type and uses blower-assisted airflow across the heatsink to maintain stable temperatures during prolonged high current industrial operation.
The device input voltage range is typically 3 x 220/380 V AC, matching standard industrial sources and simplifying connection to power supplies worldwide. The circuit type is three-phase, ensuring balanced energy delivery and lowering harmonic distortion during spindle use. An analog command interface accepts ±10V speed signals, making it easy to connect with prior CNC systems. The module width “U1” signifies how much panel space it occupies and helps in planning cabinet layout and spacing between modules. The drive is IP 10 certified with an open design, intended for cabinet installation to allow heat release.
The module supports both resolver and encoder feedback, offering durability with analog rotor sensing and precision through high-resolution encoder inputs. The allowed ambient temperature range is 0°C to +45°C. This span sets the environmental limits for operation and guiding ventilation or cooling needs in the cabinet. KDA 3.1-150-3-DYD-U1 is designed for control cabinet mounting to keep power and control components in one location for easier servicing. The DC bus voltage is 300 V which determines the internal link level and maintains compatibility with matched supply modules. Its continuous current rating is 90 Ampere, defining the sustained output and support in thermal planning for the enclosure.
Frequently Asked Questions about KDA 3.1-150-3-DYD-U1:
Q: What cooling method is specified for model KDA 3.1-150-3-DYD-U1?
A: The cooling type “DYD” represents blower cooling for the unit that forces heat away from the heatsink.
Q: What typical mains supply voltage is required for KDA 3.1-150-3-DYD-U1 and what does that imply for installation?
A: Input voltage range typically 3 x 220/380 V AC for this device which corresponds to common three-phase supplies and reduces the need for special transformers in many regions.
Q: How does the number of axes specification influence system architecture for KDA 3.1-150-3-DYD-U1?
A: With 3 axis in the drive enables distribution of spindle control tasks across three channels which reduces the need for multiple separate modules
Q: How does the circuit type specification affect electrical planning for component KDA 3.1-150-3-DYD-U1?
A: The three-phase circuit type for KDA 3.1-150-3-DYD-U1 ensures balanced supply input which improves power transfer efficiency and reduces neutral conductor requirements.
Q: What command interface options apply to KDA 3.1-150-3-DYD-U1 and how do they affect control integration?
A: Featuring a command interface analog accepts standard ±10 V speed commands which simplifies connection to legacy CNC controllers.
