DKR02.1-W300N-BA08-01-FW Bosch Rexroth Indramat
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MPN: R911289963
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The Bosch Rexroth Indramat DKR02.1-W300N-BA08-01-FW belongs to the DKR Drive Controllers series and is a digital intelligent AC drive controller with a weight of approximately 104 kilograms. Its continuous power at 4 kHz is around 55 kW, and it features a peak drive current of 212 amps with an analog command interface. The controller is air-cooled with a built-in blower and supports both digital servo and resolver feedback.
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Product Description:
The DKR02.1-W300N-BA08-01-FW drive controller is produced by Bosch Rexroth Indramat and belongs to the DKR Drive Controllers series. Classified by the manufacturer as a Digital Intelligent AC Drive Controller, it governs large synchronous or asynchronous motors used in gantries, machining centers, and other automated equipment. The unit accepts motion commands from host control systems and closes the torque and speed loop internally, delivering the high-current, variable-frequency output required for dynamic industrial axes.
Electrical and interface parameters define how the controller integrates with the plant supply and control network. The power section connects to a three-phase mains of 3xAC 400–480 V ±10%, while internal logic and I/O are energized from a separate AC 230 V ±10% feed. Under a 4 kHz switching frequency it can deliver a continuous armature current of 141 A, translating to about 55 kW of mechanical power at the motor shaft. Cooling is handled by an integral blower that forces Air cooling with built-in blower through the heat sink. An analog interface forms the command channel, and combined digital servo and resolver feedback allow the axis card to process precise position and velocity information.
The dynamic reserve is shown by a peak current capacity of 212 A, a figure that supports rapid acceleration when the application demands more than the nominal current rating of 300 coded into the model number. Operating at this level causes up to 1800 W of thermal loss, which the ventilation system expels to maintain semiconductor temperatures. The unit mounts in a cabinet and weighs roughly 104 kg, so mechanical handling equipment is usually required. Its rigid DC bus is supplied without a brake chopper, a topology identified as rigid DC bus without a brake chopper and suited for installations that use external energy-dump resistors. The controller is identified as line series 02, design version 1, and function module version 01, aiding spare-part compatibility across the DKR product family.
