KDA 3.1-150-3-DYD-W1
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The KDA 3.1-150-3-DYD-W1, part of the Bosch Rexroth Indramat KDA Spindle Drives series, is a robust KDA Servo Drive with a continuous current rating of 150A. It supports three axes, operates with digital feedback, and has an input voltage of 3 x 400 V AC. Weighing approximately 32 kg, it features an IP20 protection type.
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Product Description:
Bosch Rexroth developed KDA Spindle Drives latest variant KDA 3.1-150-3-DYD-W1 which provides spindle-focused control algorithms and supports high dynamic torque delivery. Its continuous current 150 A is rated which supplies sustained drive current for long machining cycles and informs fuse and DC link sizing. The model’s peak current value of 300 A allows short term acceleration and overload capability for heavy spindle starts and transient cutting loads.
Input voltage 3 x 400 V AC (-15%/+10%) is required by this motor to match common industrial mains which simplifies mains wiring and transformer needs. Rated frequency of 50/60 Hz ensures global deployment without frequency conversion and keeps the drive synchronous behavior predictable. It employs three axes which allows three spindle channels in a compact module and reduces cabinet part count for multi-spindle machines. Digital feedback method is further incorporated to enable high resolution speed and position loops and allows tight servo tuning. “DYD” represents internal cooling that places the forced air heatsink inside the module and concentrates heat extraction through the cabinet vents.
The IP20 certification by KDA 3.1-150-3-DYD-W1 specifies open style cabinet mounting and requires enclosure filtration and physical separation from shop floor contaminants. Its maximum power loss varies by load typically up to 600 W to guide cabinet thermal budgeting and blower selection to evacuate heat from the enclosure. Weighing around 32 kg sets back panel reinforcement and handling equipment requirements when installing the unit. The field supply output 220 V DC at 4 A powers ancillary control circuits and simplifies auxiliary device power planning. Further, overvoltage of Category III defines the transient overvoltage environment to tolerate and informs upstream surge protection design.
Frequently Asked Questions about KDA 3.1-150-3-DYD-W1:
Q: What does protection type IP20 imply for installation of KDA 3.1-150-3-DYD-W1?
A: The protection type IP20 indicates the drive is open style for cabinet mounting which mandates a sealed control enclosure and filtered air intakes to protect internal electronics.
Q: How must maximum power loss be used when sizing cabinet cooling for KDA 3.1-150-3-DYD-W1?
A: Maximum power loss varies by load typically up to 600 W for KDA 3.1-150-3-DYD-W1 which drives cabinet heat load calculations and defines blower capacity.
Q: What impact does the weight have on mechanical planning for KDA 3.1-150-3-DYD-W1?
A: Its weight is approx. 32 kg that informs back panel thickness, mounting stud selection and handling equipment during installation to ensure safe support.
Q: What does the overvoltage category indicate for KDA 3.1-150-3-DYD-W1 and how does it affect upstream protection?
A: An overvoltage Category III for KDA 3.1-150-3-DYD-W1 defines the expected transient environment at the fixed installation point which requires appropriately rated surge protection.
Q: How should the field supply output be used in control system design for KDA 3.1-150-3-DYD-W1?
A: Field supply output 220 V DC at 4 A provides local auxiliary power for heaters, sensors, or small control loads.
