KDA 2.1-150-3-AQD-W1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat KDA 2.1-150-3-AQD-W1 is a spindle drive from the KDA Spindle Drives series. It operates with a rated current of 150 Amps and requires a DC supply voltage of 300 VDC. The drive features forced cooling with a mounted heatsink blower and supports position command values through digital interfaces.
Internal Product Review
The KDA 2.1-150-3-AQD-W1 spindle drive from Bosch Rexroth Indramat features a mounted heatsink blower with forced cooling, ensuring stable operation in demanding environments. It operates on a 300 VDC supply voltage and supports a rated current of 150 A, which makes it suitable for high-power spindle applications. The combination of digital position command interface and analog speed input offers flexible integration for precise machine control.
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Product Description:
The KDA 2.1-150-3-AQD-W1 belongs to the KDA Spindle Drives series produced by Bosch Rexroth Indramat. As a spindle drive, it converts regulated DC-link energy from an Indramat supply module into controlled three-phase power for high-speed machine tool spindles. This supports both speed regulation and position control in automated machining centers and similar equipment. It is suited to applications where the spindle must respond predictably during acceleration, deceleration, and commanded positioning.
The drive can deliver a continuous output of 150 A, so the connected spindle motor receives enough current for heavy cutting loads without derating. Its power stage is fed from a 300 VDC intermediate circuit, which couples directly to compatible supply units and simplifies cabinet-level bus distribution. Analog control systems can set spindle velocity through an analog speed command value input. CNC controllers that generate precise target positions can use a digital position command value interface. Thermal energy from the power electronics is removed by a dedicated airflow path that operates with forced cooling, so heat is expelled even when surrounding cabinet air remains still.
An external blower powered from a 220 V/50-60 Hz AC source drives airflow across the large surface fins of the mounted heatsink blower. This arrangement helps keep semiconductor junction temperatures within safe limits during continuous full-current operation. The unit can be installed in production halls where ambient temperatures stay between 5 to 45 degrees Celsius, and internal temperature sensors help protect against thermal shutdown within that range. System layout must also observe the altitude limit of 1000 m above sea level, because lower air density at higher elevations reduces cooling effectiveness and can require current derating to prevent overheating.
