KDA 3.1-050-3-DYD-U1

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The KDA 3.1-050-3-DYD-U1 spindle drive delivers a continuous output current of 50 Amps with a maximum peak current of 75 Amps. Manufactured by Bosch Rexroth Indramat, it is part of the KDA Spindle Drives series and supports a 3-phase input voltage of 380...460 V AC. Featuring forced air cooling and IP20 protection, it ensures optimal performance.

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Product Description:

Bosch Rexroth Indramat KDA 3.1-050-3-DYD-U1 can be described as a high-performing and reliable digital spindle drive that is capable of handling the three axis servo applications.

Being one of the products of the KDA spindle drive line, this unit is best applied to the many complex industrial systems requiring accurate and precise synchronization of motion control. It provides constant output current of 50 A and up to 75 A at a peak current, which is very convenient in working with dynamic loads and fast changes in speed. This motor runs at a to the three phase input of 380 to 460 V AC at 50/60 Hz using forced-air cooling system in order to provide thermal stability during constant operation. The heatsink blower is supplied with dedicated 115 V AC power to increase the cooling system efficiency and contribute to the durability of long-term performance. Its panel mount type and IP20 protection rating allow the KDA 3.1-050-3-DYD-U1 to be mounted in enclosed control cabinets. The feedback is done through a resolver, which provides reliable and precise position sensing, and which works well in harsher industrial settings. The drive has digital control with a standard communication interface, which allows integration into a large variety of automation systems.

It has a speed control range of as low as 0.0005 rpm which can qualify it to high precision positioning such as C-axis operations. Integrated fault diagnostics is one of its outstanding features; it is facilitated by an in-built microcomputer controller. Performance of this system is monitored and a real time view of fault conditions is shown making troubleshooting easy and reducing downtime. With a DC bus voltage rating of 300 V DC, the KDA 3.1-050-3-DYD-U1 is a highly competent and competent multi-axis control system in CNC machines, robotics, and other speed, precision, and reliability multi-axis applications.

Communication
Standard Interface
Continuous Output Current
50 A
Control
Digital
Cooling Method
Forced Air
DC Bus Voltage
300 V DC
Feedback Supported
Resolver
Frequency
50/60 Hz
Heatsink Blower Supply
115 V AC for forced-air cooling
Input Voltage
3-phase, 380...460 V AC
Integrated Fault Diagnostics
Microcomputer-based fault detection & display
Maximum Peak Current
75 A
Mounting
Panel Mount
Number Of Axis
3
Protection Class
IP20
Speed Control Range
0.0005 – max rpm
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Frequently Asked Questions about KDA 3.1-050-3-DYD-U1:

Q: What is the output current range of the KDA 3.1-050-3-DYD-U1 spindle drive?

A: The KDA 3.1-050-3-DYD-U1 delivers 50 A continuous and up to 75 A peak output current, enabling stable and responsive performance under dynamic load conditions.

Q: How does the KDA 3.1-050-3-DYD-U1 manage thermal performance?

A: The drive uses a forced-air cooling system with a dedicated 115 V AC-powered heatsink blower to maintain optimal thermal conditions during continuous operation.

Q: What kind of feedback system is supported by the KDA 3.1-050-3-DYD-U1?

A: It supports resolver feedback, offering precise and rugged position sensing well-suited for demanding and harsh industrial environments.

Q: What control and communication features does the KDA 3.1-050-3-DYD-U1 offer?

A: The unit includes digital control and standard communication interfaces, supporting integration into various CNC and motion control platforms.

Q: Does the KDA 3.1-050-3-DYD-U1 include diagnostic capabilities?

A: Yes, it features integrated fault diagnostics via an internal microcontroller, offering real-time monitoring and fault display to streamline troubleshooting and minimize downtime.


Internal Product Review

  • ‘‘The KDA 3.1-050-3-DYD-U1 excels in multi-axis control with reliable resolver feedback, integrated diagnostics, and precise low-speed capability. Its robust cooling and flexible control interface make it a dependable solution for complex industrial systems.’’

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