KDA 2.1-100-3-LQS-U1

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The KDA 2.1-100-3-LQS-U1 is a panel-mounted spindle drive with a rated current of 100 A and a protection class of IP20. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates on 380-480 V AC input voltage and 3-phase power. The drive features forced air cooling.

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Product Description:

The KDA 2.1-100-3-LQS-U1 Drive is built for accurate speed regulation. It is manufactured by Bosh for continuous control in industrial automation operations. Its integration supports modern machine tool applications that requires stable motor management.

The KDA 2.1-100-3-LQS-U1 spindle drive works using forced air cooling. This cooling method supports internal thermal balance during active load conditions. It uses an AC power source to operate the blower system efficiently. The rated voltage for the blower is 115 V AC. This value offers compatibility in most industrial power systems. The drive works based on a serial interface for command communication. This connection type allows stable data flow between devices. It functions using speed command for regulated motor operation. This command method provides accurate spindle control during real-time use. The built-in microcomputer handles all control and monitoring activities internally. This internal logic provides responsive feedback and process tracking. The control design eliminates the need for external computing hardware. Signal level is set at 1 V for consistent control accuracy. The hardware frame is made using brushed aluminum or coated steel. This frame protects internal components in harsh operating zones.

The KDA 2.1-100-3-LQS-U1 spindle drive fits into demanding CNC and spindle drive systems. The structural design helps reduce mechanical wear during long operation. Cooling airflow maintains efficiency in warm or dust-prone environments. The drive is marked as design “1” for its system configuration. This version matches typical installation setups in manufacturing environments. It offers protection and operational stability in cabinet-mount systems. Electrical and mechanical specifications align for flexible automation applications. Cooling and control are optimized through integrated system logic and airflow. The Bosch drive offers accurate speed handling and thermal consistency in complex industrial settings.

Command Type
speed command
Communication Type
Serial Interface
Control System
Inbuilt microcomputer for control and monitoring
Cooling Method
Forced air cooling
Design
1
Dimensions (w X H X D)
Approx. 150mm x 300mm x 250mm
Metal Housing Frame
Brushed aluminum or coated steel for industrial protection.
Power Source Type for cooling
AC
Signal Level
1 V
Voltage Rating for blower
115 V AC
Weight
Approx. 15 kg
  • KDA 211003LQSU1

Frequently Asked Questions about KDA 2.1-100-3-LQS-U1:

Q: What should be done if the KDA 2.1-100-3-LQS-U1’s blower system fails?

A: The blower should be inspected for blockages or motor damage, and replaced if airflow is compromised to prevent overheating during operation.

Q: Why is the 115 V AC blower voltage significant for installation?

A: It matches common industrial power standards, allowing integration without additional voltage conversion equipment.

Q: In what way does the serial interface improve operational reliability?

A: It ensures stable, interference-resistant data transfer between the drive and control system, maintaining precise speed commands.

Q: How does the KDA 2.1-100-3-LQS-U1’s built-in microcomputer benefit CNC applications?

A: It processes control logic internally, reducing latency and removing the need for separate external computing modules.

Q: What advantage does the brushed aluminum or coated steel frame provide?

A: It protects internal electronics from physical impact and environmental factors, extending the lifespan in demanding production settings.


Internal Product Review

  • ‘‘The KDA 2.1-100-3-LQS-U1 spindle drive offers precision spindle speed regulation for continuous machining operations. Forced air cooling ensures stable thermal conditions under heavy load. A built-in microcomputer handles control and monitoring without external hardware. Its 115 V AC blower maintains operational efficiency in industrial environments.’’

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