KDA 2.1-150-300-A00-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 2.1-150-300-A00-W1 is a spindle drive from the KDA Spindle Drives series with a rated current of 150 Amps and a DC supply voltage of 300 VDC. The drive operates in ambient temperatures from 5 to 45 degrees Celsius and uses forced cooling. It can be installed at elevations up to 1000 meters above sea level.
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Product Description:
The KDA 2.1-150-300-A00-W1 spindle drive is built by Bosch Rexroth Indramat as part of the KDA Spindle Drives series. It is installed in machining centers and turning cells where it converts numerical-control commands into regulated spindle torque and speed for metal-cutting or grinding operations. The unit ties into a shared DC bus so that energy recovered during deceleration can be used by other axes, reducing cabinet hardware and overall power consumption.
The power section is energized from a DC link at 300 VDC, letting the inverter stage modulate spindle frequency without an upstream rectifier. During sustained cuts, the electronics can supply up to 150 A of output current, a value that determines the compatible motor frame size and cable gauge. Heat is removed through a ducted air path, and this forced cooling scheme keeps semiconductor junctions within safe limits during prolonged high-current duty. Reliable operation is maintained when the surrounding air stays between 5 to 45 °C, preserving component tolerances and lubricant viscosity. The drive may be mounted at elevations up to 1000 m above sea level; beyond this height the reduced air density requires derating or enhanced ventilation.
Within the KDA Spindle Drives architecture, the module is identified as Series 2, so option cards and firmware must match that revision. Classified as a Spindle Drive, it interfaces with feedback cards, quill encoders, and safety relays to coordinate deceleration profiles and detect faults based on the voltage, current, thermal, and altitude limits described above. Unobstructed airflow in the cooling channel and stable DC-link boundaries help preserve switching-device life and keep spindle speed stable during high-speed interpolation.
Frequently Asked Questions about KDA 2.1-150-300-A00-W1:
Q: What type of cooling mode does the KDA 2.1-150-300-A00-W1 utilize?
A: The KDA 2.1-150-300-A00-W1 spindle drive operates with forced cooling to maintain optimal performance during use.
Q: What is the allowable ambient temperature range for the KDA 2.1-150-300-A00-W1?
A: This spindle drive is designed to work within an ambient temperature range of 5 to 45 degrees Celsius.
Q: What is the required DC supply voltage for the KDA 2.1-150-300-A00-W1 spindle drive?
A: The KDA 2.1-150-300-A00-W1 requires a DC supply voltage of 300 VDC for operation.
Q: What is the maximum installation elevation for the KDA 2.1-150-300-A00-W1?
A: This model can be installed at elevations of up to 1000 meters above sea level without derating.
Q: What is the rated current of the KDA 2.1-150-300-A00-W1 spindle drive?
A: The rated current for the KDA 2.1-150-300-A00-W1 spindle drive is 150 amps.
