DKR03.1-W200N-BA05-01-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: R911277166
The Bosch Rexroth Indramat DKR03.1-W200N-BA05-01-FW is part of the DKR Drive Controllers series and has a rated power voltage of 3xAC 400 to 480 V with a control voltage of AC 230 V. The controller supports a continuous drive power of about 35 kW at 4 kHz and a peak current of 141 Amps. It features analog command interface, digital servo and resolver feedback, and utilizes air cooling with a built-in blower.
Internal Product Review
The DKR03.1-W200N-BA05-01-FW is a Bosch Rexroth Indramat digital intelligent AC drive controller built for precise industrial motion control. An analog command interface paired with digital servo and resolver feedback gives the unit clean response and dependable tuning in closed-loop applications. Air cooling from the built-in blower supports steady thermal management, and the ca. 35 kW continuous drive power at 4 kHz makes this controller a strong choice for demanding systems.
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Product Description:
The DKR03.1-W200N-BA05-01-FW is a drive controller produced by Bosch Rexroth Indramat for the DKR Drive Controllers series. Classified within the Digital Intelligent AC Drive Controller product group, it supplies closed-loop power conversion for servo axes installed in machining centers, presses, and automated assembly lines. The model number places it in line 03 with design version 1 and function module version 01. Its W200N code indicates a 200 A class unit, giving it the current reserve needed for high-torque motors.
The power section accepts a three-phase mains supply of 3x AC 400 to 480 V ±10%, allowing the controller to run directly from industrial distribution panels without a step-down transformer. Logic and fan circuits are energized by a separate AC 230 V ±10% control voltage, so diagnostic electronics remain active when the main contactor is open. At a 4 kHz PWM carrier, the unit delivers a continuous output of 92 A, which corresponds to approximately 35 kW of mechanical shaft power under typical motor efficiencies. For rapid accelerations, it can supply a peak current of 141 A, providing overload capacity during sudden load changes. All motion commands are received through an analog interface, simplifying connection to legacy CNC or PLC hardware.
Thermal management relies on a built-in blower that forces air across the heat sink, and with this cooling method the controller's total heat dissipation is limited to 1200 W. Encoder channels support digital servo and resolver feedback, letting the same cabinet control both high-resolution and rugged motor types. Because the DC link is rigid and the design omits a brake chopper, regenerative energy must be absorbed mechanically or returned to the line. The enclosure weighs 49 kg, which should be considered when planning cabinet support and handling.
