KDA 2.1-150-3-L0D-U1

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The KDA 2.1-150-3-L0D-U1 servo drive features a rated current of 150 amps, a cooling method of air-cooled, and three axes. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it integrates SERCOS bus compatibility and provides digital control with IP20-rated protection.

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Product Description:

Rexroth Indramat created the KDA 2.1-150-3-L0D-U1 main spindle drive for applications requiring precise positioning and stable functioning, making use of the product. It is compatible with specialist production systems and CNC machines.

The KDA 2.1-150-3-L0D-U1 main spindle drive can handle a DC bus voltage of up to 300 V with its 150 A rated current. A heatsink blower is utilized as a forced cooling mechanism by the spindle drive. The drive can withstand temperatures up to 55 degrees Celsius when used in an environment with temperatures between 5 and 45 degrees Celsius. Its construction guarantees excellent rigidity and positional functionality according to its rating. Constant power production is possible throughout a wide speed range. Digital communication and precise control are guaranteed by the SERCOS interface type. The spindle drive is used in woodworking, precision grinding systems, and computer numerical control (CNC) machines that demand repeatable motion. There is no performance degradation up to an installation height of 1,000 meters. This KDA spindle drive is ideal for industrial automation systems that demand precise positioning and consistent motion.

The KDA 2.1-150-3-L0D-U1 main spindle drive conforms to the DIN 40 040 standard for environmental tolerance, which uses a humidity classification of F. With its temperature management capabilities, this drive can run reliably in climate-controlled manufacturing environments. This ensures that the primary spindle functions can continue to run without interruption. The spindle drive is designed to work with control systems at the machine level that use defined digital protocols and SERCOS speed command values. It works well with electrical and thermal restrictions that are explicitly stated in automation layouts. The drive controller continues to work when the electrical load matches the rated requirements.

Bus System
SERCOS
Control Type
Digital
Cooling Method
Air cooled
Dimensions (h X W X D)
390 x 120 x 395 mm
Encoder Feedback
Incremental/Resolver
Maximum Installation Elevation
1,000 meters
Mounting
Control Cabinet Mount
Nominal Output Voltage
DC 300 V
Number Of Axes
3
Protection Class
IP20
Rated Current
150 A
Rating Features
High stiffness, positioning features
Type
Servo Drive
Voltage Supply
DC 24 V
Weight
17 kg
  • KDA 211503L0DU1

Frequently Asked Questions about KDA 2.1-150-3-L0D-U1:

Q: Does the KDA 2.1-150-3-L0D-U1 support consistent performance at high installation elevations?

A: Yes, the drive supports stable operation up to 1,000 meters. It maintains efficiency without derating under standard environmental limits.

Q: How does the KDA 2.1-150-3-L0D-U1 benefit from using the SERCOS interface system?

A: The SERCOS provides digital speed command control. It enables accurate motion synchronization and communication with other industrial controllers and devices.

Q: Why does the KDA 2.1-150-3-L0D-U1 include a rated current of 150 A?

A: The 150 A rating supports high spindle load demands. It ensures current delivery under continuous torque and power requirements.

Q: Do the positioning features in KDA 2.1-150-3-L0D-U1 improve accuracy in CNC operations?

A: Yes, the positioning feature enhances axis control. It ensures precise movements for machining, grinding, and woodworking accuracy.

Q: Does the KDA 2.1-150-3-L0D-U1 function effectively at a peak ambient temperature of +55°C?

A: Yes, it is built to sustain operations at up to +55°C. It resists thermal degradation in controlled temperature ranges.


Internal Product Review

  • ‘‘The KDA 2.1-150-3-L0D-U1 is a spindle drive from Rexroth built for motion-intensive systems. It supports a 300 V DC bus, 150 A rated current, forced cooling, and SERCOS interface. The drive is widely used in CNC grinding systems that demand extended thermal capacity and stable speed control.’’

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