KDA 2.1-150-3-APD-U1
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The KDA 2.1-150-3-APD-U1 is a servo amplifier providing a 150A output current and supporting 3-phase operation. Developed by Bosch Rexroth Indramat as part of their KDA Spindle Drives, it features cabinet mounting and IP20 protection. The unit is air-cooled with an integrated fan.
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Product Description:
The KDA 2.1-150-3-APD-U1 is a servo drive module designed and manufactured by Bosch Rexroth Indramat. The drive is designed to deliver reliable drive control through forced cooling. The drive ensures precise motor and spindle operation that integrates auxiliary encoder inputs with synchronous functionality.
The KDA 2.1-150-3-APD-U1 servo drive module operates with a DC bus voltage input of 300V. The drive is designed with a rated current of 150 A. It supports a speed command value that is analog at ±10V. The position command value is processed digitally with a 16-bit parallel interface. The operating range is from +5 °C to +45 °C without restriction. The drive supports a peak ambient temperature of +55 °C with linear derating above +45 °C. At +55 °C, the drive value is reduced to approximately 80%. The drive is suitable for installation up to 1,000 meters above sea level. Above this elevation, the drive values decrease proportionally. Cooling is achieved by a heatsink blower powered by an AC supply source of 115V at 50–60Hz. The servo drive complies with DIN 40 040 and Humidification Class F. The servo drive module maintains function without condensation formation and with relative humidity not exceeding 70% in the most humid month.
The KDA 2.1-150-3-APD-U1 servo drive module is designed with a protection category of IP 10 as per DIN 40 050 that prevents penetration by solid objects greater than 50 mm. The design specification is categorized as 1. The drive incorporates auxiliary encoder input for spindle or secondary motor feedback that includes synchronous signal processing. These features enable precise functionality that supports accurate motor control. It is developed to support demanding automation requirements with controlled efficiency.
Frequently Asked Questions about KDA 2.1-150-3-APD-U1:
Q: Why does KDA 2.1-150-3-APD-U1 have forced cooling?
A: The forced cooling by the heatsink blower prevents overheating that ensures consistent drive performance. It stabilizes operation during peak current of 150 A and extended operating temperatures.
Q: Does KDA 2.1-150-3-APD-U1 support auxiliary encoder input?
A: Yes, the drive provides auxiliary encoder input that allows spindle or secondary motor feedback. It ensures synchronous operation and improves accuracy for motor control and positioning.
Q: Why does KDA 2.1-150-3-APD-U1 use IP 10 protection?
A: The IP 10 protection ensures compliance with DIN 40 050. It safeguards the drive against solid object penetration above 50 mm diameter while maintaining operational integrity.
Q: How does KDA 2.1-150-3-APD-U1 manage high temperatures?
A: The drive provides 100% capacity up to +45 °C. Above this range, it linearly derates until +55 °C, where it retains 80% drive value.
Q: Do environments affect KDA 2.1-150-3-APD-U1 performance?
A: Yes, performance remains reliable in cold, moderate, and dry-warm climates. Relative humidity must remain below 70% without condensation formation to maintain consistent and stable operation.
