KDA 3.2-150-3-APD-U1
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The KDA 3.2-150-3-APD-U1 spindle drive features a rated output current of 3.2 A, a maximum output voltage of 150 V, digital control type, and supports panel mounting. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives, it is air-cooled and complies with CE and UL standards.
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Product Description:
The Bosch Rexroth Indramat’s KDA 3.2-150-3-APD-U1 Drive has a nominal current of 150 A, providing a reliable power supply for high-performance spindles. It is supplied with a DC power voltage of 300 V to facilitate stable energy transfer to the internal electronics during continuous or heavy-duty usage.
There is a heatsink blower incorporated in this KDA 3.2-150-3-APD-U1 drive for heat dissipation, employing forced air circulation for optimal thermal conditions during prolonged usage. The total weight of this drive’s LE4 blower is 4.2 kg, reflecting a robust construction that can resist vibration and thermal stress. The AC power supply source of this heatsink blower is 115 V-rated, which is in conformity with standard industrial power supply requirements. This blower mechanism also has a frequency operation range of 50 to 60 Hz for continuous airflow support over crucial heat areas. A 16-bit parallel digital interface is offered for entry of position command values in order to facilitate high-resolution signal processing. This spindle drive accepts an analog setpoint velocity reference input of ±10V, which makes it suitable for interfacing with analog speed control systems.
This drive is also pre-equipped with an auxiliary encoder input that is used for handling spindle or secondary motor feedback to enhance control accuracy and closed-loop performance. The humidity tolerance of this drive is class F rated, as defined in DIN 40 040, to work normally in high-moisture ambient conditions in the specified industrial range. The KDA 3.2-150-3-APD-U1 spindle drive has IP10 protection, which gives limited protection against the ingress of objects. For this type of protection, the drive should be mounted in enclosed cabinets to avoid exposure to accidental touch. The KDA 3.2-150-3-APD-U1 drive accommodates a storage temperature range of -30°C to +85°C, which shields internal parts from deterioration during off-states.
Frequently Asked Questions about KDA 3.2-150-3-APD-U1:
Q: Why does the KDA 3.2-150-3-APD-U1 use a 16-bit digital interface?
A: The 16-bit interface provides high-resolution command inputs for precise spindle positioning and responsive motor control.
Q: How does the forced air cooling benefit the KDA 3.2-150-3-APD-U1?
A: Forced air cooling prevents thermal overload during prolonged operation, improving the drive's lifespan and thermal stability under load.
Q: What advantage does the analog ±10V velocity setpoint provide?
A: It allows smooth speed variation and easy integration with analog controllers in motion applications.
Q: Why is the blower’s 50–60 Hz frequency range important in this model?
A: This range supports operation across various power standards, making the drive globally compatible without additional frequency converters.
Q: What role does the auxiliary encoder input play in KDA 3.2-150-3-APD-U1?
A: It supports feedback from a second motor or spindle encoder, improving control loop accuracy and synchronizing movement in multi-axis systems.
