KDA 2.1-100-3-AY0-U1
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The KDA 2.1-100-3-AY0-U1 servo drive delivers a rated current of 100 amps, supports three axes, features IP20 enclosure protection, and utilizes a digital control type with SERCOS communication. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it operates at 3-phase 230/400 VAC with internal air cooling.
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Product Description:
The Bosch Rexroth Indramat’s made KDA 2.1-100-3-AY0-U1 Spindle Drive has a nominal current of 100 Amperes, which makes it capable of efficiently managing high-load motor applications. This drive’s rated continuous output current of 70 Amperes ensures a constant and seamless power supply during extended use in industries without a drop in performance.
This spindle driver is constructed with a 300-volt DC link voltage to provide stable power conversion in controlled automation systems where there is a need for precise voltage regulation. The forced-air type cooling system is employed in the KDA 2.1-100-3-AY0-U1 drive by using a fan that is mounted on the heatsink to achieve optimal temperature during heavy use and overheating is avoided. A fan assembly weight of 4.2 kilograms assures the use of heavy-duty industrial-grade components by this drive for continuous-duty cooling applications. This cooling fan is powered by an AC supply of 115 Volts through a frequency range of 50 to 60 Hz, which is applicable to common electrical systems globally. The ±10V analog speed reference signal is employed by the KDA 2.1-100-3-AY0-U1 drive for input control and to provide compatibility with analog control interfaces for precise motor speed regulation.
The 9-pin and X4 terminal connectors are also included in this drive for speed signal connections to ensure easy, secure, and standard mounting in automation panels. This KDA 2.1-100-3-AY0-U1 drive's auxiliary encoder interface accommodates supplementary encoder inputs to give higher feedback accuracy for high-performance control loops and synchronized motion applications. The IP10 ingress protection rating assures this spindle drive’s limited protection from solid foreign objects, consistent with use in encased or enclosed electrical cabinets. This drive’s internal discharge time is more than one minute, enabling capacitors to discharge stored energy safely and assisting in protecting personnel with additional protection after shutdown.
Frequently Asked Questions about KDA 2.1-100-3-AY0-U1:
Q: Why is a 115V fan input used in the KDA 2.1-100-3-AY0-U1?
A: It aligns with standard industrial AC supplies, making the unit easier to deploy. The 50–60Hz range offers compatibility with global power systems.
Q: What role does the heatsink-mounted fan play in cooling?
A: It provides directed forced-air cooling that prevents internal heat buildup. This ensures thermal stability during continuous motor operation.
Q: Why is analog ±10V used for the speed reference signal?
A: Analog ±10V enables smooth variable speed control for spindle motors. It also supports integration with analog-based drive controllers.
Q: How does the discharge time of over 1 minute benefit technicians?
A: It ensures stored voltage in capacitors safely dissipates before servicing. This reduces the risk of electrical shock during maintenance.
Q: Why is the KDA 2.1-100-3-AY0-U1 built with IP10 protection only?
A: IP10 allows basic protection for indoor cabinet installations. It's designed for controlled environments with minimal dust and moisture.
