KDA 3.2-050-3-A0I-W1
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The KDA 3.2-050-3-A0I-W1 servo drive offers a rated current of 50A, supports resolver or encoder feedback, and features a digital commutation with field orientation. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it is air-cooled, panel-mounted, and supports position, speed, and torque control types.
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Product Description:
The KDA 3.2-050-3-A0I-W1 is a compact main spindle drive. It supports C-axis control and spindle positioning tasks. The product ensures reliable control over frameless and asynchronous motors. This drive is part of the KDA Spindle Drives series.
The KDA 3.2-050-3-A0I-W1 offers a rated current of 50 A. It operates with a 300 V DC bus voltage. The continuous current capability is 35 A. The cooling airflow rate is 32 liters/second. Air velocity through the cooling path ranges between 3 and 4 m/s. The rear heatsink discharges heat externally. Internal heat loss is rated at 200 W whereas exterior dissipation is 400 W. The M1-KD mounting attachments are required for complete integration of the device. It is engineered by Bosch Rexroth Indramat for precise motor control. The recommended blower unit type is LE4-220V. The operating temperature ranges from +5 to +45 °C. It can function at temperatures as high as +55 °C with lower ratings. The product has an IP10 protection rating against solid objects. The drive is equipped with a 37-pin control interface (X2). It features a 15-pin motor feedback input (X3). Analog speed commands are handled via X4 input. There is no auxiliary encoder input on this model. The incremental encoder signals are transmitted through X6 and the motor is connected via connector X8. The heatsink blower attaches via M3. There is a specific thermistor connector for controlling motor temperature. The ready status output is available at terminal X11.
The KDA 3.2-050-3-A0I-W1 offers exact control with durable construction. The solo drive unit weights 16.6 kg. A 4.2 kg blower unit provides forced air conditioning. It needs a 220V AC power blower unit. The drive is designed with a vertical mounting position. The entire height is 355 mm, and the breadth is 160 mm. The depth measures around 373 mm. The maximum installation elevation is 1000 meters.
Frequently Asked Questions about KDA 3.2-050-3-A0I-W1:
Q: Why does KDA 3.2-050-3-A0I-W1 use forced cooling instead of passive cooling?
A: Forced cooling ensures thermal stability under continuous motor loads. It prevents overheating during extended or high-speed operations.
Q: How does the vertical mounting orientation affect the KDA 3.2-050-3-A0I-W1 drive?
A: Vertical mounting supports efficient airflow over the heatsink. It also aligns with enclosure design standards for industrial control cabinets.
Q: How does the 220V blower enhance the performance of KDA 3.2-050-3-A0I-W1?
A: It maintains internal temperatures within safe limits under full load. This ensures consistent operation during intensive machining cycles.
Q: What role does the M1-KD mounting kit play in KDA 3.2-050-3-A0I-W1 installation?
A: It provides the structural support for secure cabinet integration. The flat gasket and alignment also improve vibration resistance.
Q: What is the benefit of using a 15-pin motor feedback connection in this drive?
A: It offers detailed rotor position feedback for smooth speed regulation. This is essential for applications requiring precise motor control.
