DKR03.1-W200N-BA09-01-FW 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.
MPN: R911296422
The Bosch Rexroth Indramat DKR03.1-W200N-BA09-01-FW is a digital intelligent AC drive controller in the DKR Drive Controllers series. It features a continuous current of 92 A and a peak current of 141 A, with a rated power voltage of 3xAC 400 to 480 V. This drive controller uses an analog command interface and air cooling with a built-in blower, and it weighs about 49 kg.
Internal Product Review
The DKR03.1-W200N-BA09-01-FW is a digital intelligent AC drive controller with an analog interface. Air cooling from the built-in blower and digital servo/resolver feedback support dependable thermal performance and accurate motor control. Continuous output of about 35 kW at 4 kHz makes the controller a strong choice for demanding drive applications.
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Product Description:
The DKR03.1-W200N-BA09-01-FW is a digital intelligent AC drive controller from Bosch Rexroth Indramat and belongs to the DKR Drive Controllers series. It regulates power to servo and spindle motors, converting the incoming three-phase supply into controlled output that matches process demands in automated machining centers, printing lines, and material-handling cells. By regulating current and voltage at the output stage, it helps machine axes maintain stable speed and responsive torque during cutting, printing, or transfer motions. Command signals enter through an analog interface, while digital servo and resolver feedback close the position and velocity loops. This arrangement allows the controller to support both established analog command structures and feedback-based motion control in the same unit.
During continuous duty, the drive delivers 92 A of output current at a 4 kHz switching frequency, which corresponds to about 35 kW of usable mechanical power for connected axes. Its power section accepts a line supply range of 3xAC 400–480 V (±10%), while internal logic and sensor circuits are supplied from a separate AC 230 V control feed to isolate low-level electronics from line disturbances. Separating the control feed from the main power input helps keep command processing and sensing circuits stable when the power stage is switching under load. Thermal energy generated by the IGBT stack is removed by a built-in air blower, allowing cabinet installation without external liquid loops. The unit is supplied without a bleeder or brake chopper, so regenerated energy must be handled by upstream components on the DC bus.
For short acceleration bursts, the inverter can supply up to 141 A, giving machines additional current for rapid indexing or spindle ramp-up. Total losses appear as roughly 1200 W of heat, so cabinet airflow must carry that heat away during operation. The housing, fans, and bus components bring the mass to 49 kg, which should be considered when planning panel support and mounting hardware. This weight also affects enclosure layout because clearance is needed for lifting, fastening, and routing the connected power and feedback cables. Line identification 03, the 200 A current class, and function module version 01 are part of the configuration code for this controller.
