KDA 3.1-050-3-DPD-W1
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The KDA 3.1-050-3-DPD-W1 is a servo drive with internal fan cooling and a continuous output current of 50A. Manufactured by Bosch Rexroth Indramat, it belongs to the KDA Spindle Drives Series and operates on a three-phase input voltage of 3 x 380...480 V AC, ±10%. It supports resolver and encoder feedback.
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Product Description:
Bosch Rexroth manufactures the KDA 3.1-050-3-DPD-W1 Spindle Drive that is optimized for precision-driven manufacturing applications. The drive operates with a DC supply voltage of 300 V and supports a continuous duty current of 35 A for consistent and reliable power delivery. Its enclosure rating of IP10 provides protection against solid foreign objects suitable for typical industrial environments.
The KDA 3.1-050-3-DPD-W1 Spindle Drive has a weight of 16.6 kg which makes it manageable for installation and maintenance. The cooling is achieved by a blower operating at either 50 or 60 Hz which ensures effective heat dissipation during continuous operation. A digital 16-bit parallel interface is used to transmit the speed command value and the auxiliary position command value for accurate and responsive control. The KDA 3.1-050-3-DPD-W1 spindle drive can handle a running current of up to 50 A for flexible load management. It operates efficiently within a temperature range of +5 to +45 degrees Celsius and can withstand storage and transportation temperatures from -30 to +85 degrees Celsius. The use of an additional encoder input for spindle or secondary motor feedback improves system diagnostics and control accuracy. Thermal stability and efficient cooling are enhanced by the 4.2 kg heatsink blower, which is driven by a 220 V AC supply.
The installation altitude of the KDA 3.1-050-3-DPD-W1 Spindle Drive should not be higher than 1000 meters in order to preserve peak performance and avoid overheating. The current consumption for this drive is 1.2 A under normal operation for energy-efficient performance. The drive conforms to humidity class F according to DIN 40040 which guarantees insulation reliability in humid industrial conditions. Its design is classified as type 1.
Frequently Asked Questions about KDA 3.1-050-3-DPD-W1:
Q: Why is type 1 design classification used for this spindle drive?
A: The type 1 classification defines it for standard industrial mounting, simplifying integration with other automation components in control cabinets.
Q: What advantages come from operating within +5 to +45 °C temperature range?
A: The specified range ensures consistent drive performance in varied industrial climates without affecting internal circuitry or motor behavior.
Q: How does a continuous duty current of 35 A benefit performance?
A: The KDA 3.1-050-3-DPD-W1 delivers stable power for sustained operation, essential in high-demand industrial machining and automation environments.
Q: What is the significance of the 1000 m altitude limit in this model?
A: The altitude limit ensures proper cooling and prevents voltage derating, critical for maintaining thermal balance and electrical stability.
Q: Why is the insulation class F important in KDA 3.1-050-3-DPD-W1?
A: The insulation class F rating allows for safe operation in humid environments, preventing breakdowns due to moisture-induced insulation failure.
