KDA 2.1-150-3-LQ0-U1
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The KDA 2.1-150-3-LQ0-U1 spindle drive offers a continuous current of 150 amps, features liquid cooling, and operates with an input voltage of 230/400V AC ±10% in a 3-phase setup. Part of the KDA Spindle Drives by Bosch Rexroth Indramat, it has IP20 protection and a communication interface supporting both analog and digital signals.
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Product Description:
A high-capacity spindle drive, the Bosch Rexroth Indramat KDA 2.1-150-3-LQ0-U1 is designed to deliver precise and quick control for the industry's complex applications.
The drive can control up to three axes, which enables multi-axis motion in complex systems. Its continuous current rating is 150 A, so it is suitable to high-torque and high-power applications like CNC machines and rapid automation systems. This variant, in contrast to usual air-cooled models, is liquid-cooled and can therefore remain in thermal equilibrium even in increased load or in a tight, sealed enclosure where free circulation of air is an inconvenience. The system is a 3-phase AC supply, and the input power supply is 230/400 V with a tolerance of +/- 10%. It operates at nominal 50/60 Hz and is wired to be panel-mounted. This broad input will allow it to be flexible in the installation of power systems. The unit provides the highest output of 620 V DC for high-demand applications. It has a stable and efficient 300 V DC internal nominal DC bus voltage that maintains power regulation. The power output is dependent upon the load requirement of each axis and provides the ability to scale to a multi-axis configuration.
The heatsink blower is powered by a 115 V AC supply to improve heat dissipation in combination with the liquid cooling system. It communicates through analog/digital interfaces and is SERCOS-compatible towards speed commands- this provides it with high integration capability in the current fieldbus-based automation schemes. With its sinusoidal input of 1Vpp, the additional encoder support offers precise motor feedback. Some models additionally come with an RS-232C diagnostics port to simply configure or troubleshoot. Despite not having an IP20 full-enclosure rating, it works well in any cabinet application where the environment is protected from outside contaminants.
Frequently Asked Questions about KDA 2.1-150-3-LQ0-U1:
Q: What cooling method does the KDA 2.1-150-3-LQ0-U1 use?
A: The KDA 2.1-150-3-LQ0-U1 uses a liquid-cooled system combined with a blower to maintain thermal stability in high-load or enclosed environments.
Q: What type of industrial applications is the KDA 2.1-150-3-LQ0-U1 suitable for?
A: It’s designed for high-torque and high-speed tasks in CNC machine tools, multi-axis automation, and systems where precise control is critical.
Q: How is the KDA 2.1-150-3-LQ0-U1 integrated into control systems?
A: It communicates via SERCOS for speed commands and supports both analog and digital interfaces for broader compatibility with modern automation networks.
Q: Does the KDA 2.1-150-3-LQ0-U1 offer encoder feedback options?
A: Yes, it features auxiliary encoder support with sinusoidal 1Vpp input, allowing accurate motor feedback in precision control systems.
Q: What kind of environment is the KDA 2.1-150-3-LQ0-U1 best suited for?
A: Though rated IP20, it’s ideal for installation inside control cabinets or shielded enclosures where ambient conditions are controlled.
