KDA 2.1-100-3-DPD-U1

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The KDA 2.1-100-3-DPD-U1 spindle drive features a continuous output current of 100 A and operates with a 3-phase input voltage of 380-480 VAC. Manufactured by Bosch Rexroth Indramat and part of the KDA Spindle Drives series, it measures approximately 440 mm x 217 mm x 223 mm and uses forced air cooling through internal fans.

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Product Description:

The KDA 2.1-100-3-DPD-U1 is designed by Rexroth Indramat which is KDA Spindle Drive. It is designed to deliver efficient performance and reliable operation in manufacturing processes. The drive supports forced air cooling through a dedicated heatsink fan to ensure stable thermal management during continuous workloads. It is employed in spindle applications where high current handling and uniformity in speed control are needed.

The KDA 2.1-100-3-DPD-U1 spindle drive> has an operating DC bus voltage of 300 V that allows stable power delivery during long duty cycles. It provides a rated output current capacity of 100 A which enables effective performance under heavy operational loads. The drive integrates a 16-bit parallel digital interface for precise position command inputs in automation tasks. It works on a three-phase electrical input with a frequency range of 50 to 60 Hz. The < operating temperature range is defined between 0°C and 45°C for safe functionality in controlled environments. It has an installation altitude support of up to 1000 m above sea level without derating. The humidity tolerance is 5 to 95 percent in non-condensing atmosphere to ensure flexibility. Its protection class IP10 as per the DIN 40 050 standard is provided for safety in operational use. The drive belongs to the series 2 lineup ensuring compatibility with related system components and accessories. An auxiliary encoder input is available for spindle control with feedback capability.

The KDA 2.1-100-3-DPD-U1 spindle drive is powered with a heatsink blower that requires a 115 volt AC input supply. Its cooling mechanism uses a dedicated heatsink fan to maintain consistent operating efficiency. The manufacturer designed this KDA Spindle Drive with robust electrical and mechanical specifications for industrial integration.

Communication Interface
Proprietary (MAC, SERCOS, etc.)
Continuous Output Current
100 A
Control System
Digital - DPD
Cooling Method
Forced air (internal fans)
Dimensions (h X W X D)
Approx. 440 mm x 217 mm x 223 mm
Enclosure Rating
IP20
Frequency
50/60 Hz
Input Voltage
380-480 VAC
Motor Feedback
Resolver, Encoder compatible
Mounting Style
Panel mount
Operating Temperature Range
0°C to 45°C
Phases
3-phase
Speed command value
Digital 16-Bit Parallel
Weight
Approx. 7.5-9 kg
  • KDA 211003DPDU1

Frequently Asked Questions about KDA 2.1-100-3-DPD-U1:

Q: How does the 16-bit parallel digital interface improve the KDA 2.1-100-3-DPD-U1 spindle drive?

A: The interface allows precise command input, enabling accurate spindle speed and positioning control in automation

Q: Why is an auxiliary encoder input useful in this spindle drive?

A: The encoder input enhances spindle accuracy, providing real-time position feedback for advanced machining tasks.

Q: Why does this drive use a dedicated heatsink blower?

A: The blower maintains stable cooling, preventing overheating during extended duty operations under high currents.

Q: Why is a three-phase 50–60 Hz input essential for the KDA 2.1-100-3-DPD-U1?

A: The input ensures compatibility with industrial power grids and supports continuous spindle workloads.

Q: What role does humidity tolerance of 5–95% provide in this spindle drive?

A: The tolerance ensures adaptability, preventing malfunction in varied factory climates with fluctuating moisture.


Internal Product Review

  • ‘‘The KDA 2.1-100-3-DPD-U1 spindle drive ensures stable spindle control with its 16-bit interface, 115 V blower input, and altitude tolerance up to 1000 m. Its wide humidity range and robust construction make it vital for industries requiring reliable automation and thermal stability under heavy workloads.’’

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