KDA 3.3-050-3-A0I-W1
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The Bosch Rexroth Indramat KDA 3.3-050-3-A0I-W1, part of the KDA Spindle Drives series, operates with a rated output current of 50 Amps and supports a rated voltage of 3 x 230/460 V AC. This air-cooled, three-phase drive features resolver/incremental encoder feedback and a maximum power output of up to 18 kW. It is protected under IP20 classification.
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Product Description:
The Bosch Rexroth Indramat KDA 3.3-050-3-A0I-W1 is a very capable spindle drive device of the KDA family, intended to function well in most production settings.
The drive's three-phase, 230/460 V AC, 50/60 Hz input allows for some interoperability with standard industrial power sources. It provides a 50-A load current when operated at full load, and as such, it is ideal in medium to heavy-duty spindle motor control. Through the power stage, the drive maintains an internal DC bus voltage of up to 300 V, allowing for extremely efficient energy utilization across applications. It provides output power of up to 18 kW, depending on the concrete motor type and motor arrangement, which permits flexible use in many different machine tools or automation systems. Since the system aims to maintain a high thermal efficiency, cooling is accomplished via internal air conditioning, which eliminates the need for external ventilation. The drive may be installed using the conventional panel-mount technique and is compatible with industrial cabinets. It runs at a 24 V DC control voltage.
The drive includes serial communication and analog inputs for control and feedback, making it compatible with both traditional and contemporary automation equipment. The spindle setpoint is set using an analog speed control between +/-10 V, which is the industry standard. The types of supported feedback are resolvers and incremental encoders, which enable fine control of the speed and the position. Because of its IP20 protection, the device may be installed in clean control enclosures without risk. It may be used in the majority of industrial situations due to its working temperature spectrum of 0°C to 40°C.
Frequently Asked Questions about KDA 3.3-050-3-A0I-W1:
Q: What are the power and current specs of the KDA 3.3-050-3-A0I-W1?
A: The KDA 3.3-050-3-A0I-W1 delivers up to 18 kW of output power with a rated continuous current of 50 A, suitable for medium to heavy-duty spindle motors.
Q: How is the KDA 3.3-050-3-A0I-W1 cooled?
A: The unit uses internal air cooling, requiring no external fans or ventilation infrastructure while maintaining thermal efficiency.
Q: What input voltage does the KDA 3.3-050-3-A0I-W1 accept?
A: It operates on a three-phase input voltage of 230/460 V AC at 50/60 Hz, supported by a 300 V DC internal bus for efficient energy handling.
Q: Where should the KDA 3.3-050-3-A0I-W1 be installed?
A: It is designed for panel mounting inside protected control cabinets with IP20 protection and operates in environments ranging from 0°C to 40°C.
Q: What control and feedback systems are supported by the KDA 3.3-050-3-A0I-W1?
A: It supports analog +/-10 V speed inputs, serial communication, and both resolver and incremental encoder feedback for precise speed and position control.
