KDA 2.1-150-3-APS-W1
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The KDA 2.1-150-3-APS-W1 spindle drive features forced cooling, a rated current of 150 A, a continuous current of 90 A, and a drive weight of 17.4 kg. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it operates within a temperature range of +5°C to +45°C.
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Product Description:
The Bosch Rexroth Indramat’s spindle drive, having product code KDA 2.1-150-3-APS-W1, has a nominal current rating of 150 A to cover high-demand drive systems at peak load situations. The 90 A continuous current rating provides this drive with reliable operation to avoid thermal overload or performance degradation when subjected to long duty cycles.
This spindle drive includes a DC link voltage of 300 V to ensure a consistent internal power supply for effective energy distribution within the system. The cooling of this drive is controlled through a forced-air cooling system by a fan mounted on the heatsink, which provides efficient thermal management even with high-power usage. The AC power supply for this drive’s cooling fan is 220V at 50–60Hz to make it compatible with existing standard industrial power supplies while maintaining the internal temperatures. The environmental flexibility of this spindle drive is assured by a storage and transportation temperature range of -30°C to +85°C, enabling safe storage and transport in severe temperature fluctuations. This KDA 2.1-150-3-APS-W1 drive is in accordance with humidity resistance Class F according to DIN 40 040, to keep internal components free from moisture in moderately humid conditions. This drive’s enclosure protection classification is IP10 according to DIN 40 050, which makes it appropriate for use within protected control cabinets.
This KDA 2.1-150-3-APS-W1 spindle drive has an auxiliary encoder input, used for spindle feedback or to drive a second motor for increasing motion control accuracy in dual-motor or synchronized applications. An RS-232C serial port is also built into this drive for auxiliary communication interface, which offers a channel for configuration, diagnostics, and parameter monitoring via compatible control systems. The weight of this drive’s mechanical mounting kit is 1.7 kg, which makes it easy to integrate into drive enclosures and control panels with minimal heavy support structures. This spindle drive accepts an analog ±10 V speed reference signal for speed regulation, which provides support for an analog-based control architecture and facilitates effective spindle rotation control.
Frequently Asked Questions about KDA 2.1-150-3-APS-W1:
Q: Why is forced-air cooling via a heatsink fan used in KDA 2.1-150-3-APS-W1?
A: Forced-air cooling helps dissipate heat quickly during high-load cycles. It prevents internal temperature buildup that could reduce system life.
Q: How does the ±10 V analog speed signal improve control precision?
A: It enables direct integration with analog control systems, allowing accurate motor speed adjustments. This provides real-time responsiveness in automated operations.
Q: How does the RS-232C serial port aid system configuration?
A: It provides a standard communication channel for parameter setup and fault diagnosis. This allows easy interfacing with PLCs or service tools.
Q: What benefit does the 300 V DC link voltage offer?
A: It ensures consistent energy delivery within the drive system. This is critical for high-speed or dynamic load variations.
Q: Why is the 220V / 50–60Hz power input ideal for the cooling fan?
A: It supports compatibility with most industrial power grids. This avoids additional transformers or external converters.
