KDA 3.1-050-3-AP0-W1
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The Bosch Rexroth Indramat KDA 3.1-050-3-AP0-W1 is part of the KDA Spindle Drives series and functions as a digital Servo Drive Controller. It operates with a rated current of 50 Amps, supports up to 3 x 400V AC output voltage, and features air-cooled cooling. The unit weighs approximately 13 kilograms.
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Product Description:
The Spindle Drive KDA 3.1-050-3-AP0-W1 from Bosch Rexroth Indramat is designed for spindle and automation systems requiring steady, analog-based speed control. This drive has a rated current of 50 A and runs on a rated voltage of 300 V DC, which makes it ideal for spindle applications with a medium to high power requirement.
The KDA 3.1-050-3-AP0-W1 drive has an analog ±10V speed command input, which permits accurate and real-time motor speed control in accordance with external input signals. This spindle drive has an auxiliary encoder input to support feedback signals from a spindle or a second motor, and this feature supports increased feedback for monitoring position and speed. The cooling system of this spindle drive is controlled by a heatsink blower, which is necessary for thermal balance during prolonged use. This blower runs at 220V, 50–60Hz to guarantee uniform cooling despite varying electrical conditions. The 1.7 kg mechanical mount kit adds to the convenience of this drive’s installation and stable mechanical support within control cabinets. The mounting direction of this spindle drive is permissible in a vertical orientation with grounding bolts on top to allow for adequate thermal airflow and safety grounding.
For ideal environmental conditions, the KDA 3.1-050-3-AP0-W1 drive operates in an ambient temperature range from +5°C to +45°C. However, this drive can also function at temperatures up to +55°C, if derating is implemented to prevent thermal stress. From the environmental point of view, this spindle drive is constructed with protection category IP10 (DIN 40 050), which means that it is a good choice for cabinet installation where internal parts are protected. This spindle drive complies with humidity Class F (DIN 40 040) for consistent performance in moderate industrial humidity levels. This drive’s highest installation altitude is 1000 meters without derating to provide rated performance in most industrial environments.
Frequently Asked Questions about KDA 3.1-050-3-AP0-W1:
Q: How does the analog ±10V input improve drive response?
A: It allows fine control over speed, enabling smooth variation without digital conversion. This results in quicker signal interpretation and less lag in dynamic operations.
Q: Why does KDA 3.1-050-3-AP0-W1 use a 220V heatsink blower?
A: The 220V blower ensures consistent cooling across international power standards. It supports efficient thermal regulation in long-duty cycle environments.
Q: What role does the auxiliary encoder input play in feedback control?
A: It enables position or speed feedback from a second motor or spindle. This supports multi-axis synchronization and enhances system precision.
Q: How does vertical mounting benefit the KDA 3.1-050-3-AP0-W1?
A: Vertical orientation ensures optimal internal airflow for heat dissipation. It also aligns with grounding design to maintain electrical safety.
Q: What happens if the ambient temperature exceeds 45°C?
A: The drive operates with reduced load, known as derating. This protects components from thermal stress and ensures operational safety.
