DKR02.1-W200B Bosch Rexroth Indramat
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MPN: R911310560
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The Bosch Rexroth Indramat DKR02.1-W200B is part of the DKR Drive Controllers series and weighs approximately 104 kilograms. This digital intelligent AC drive controller features an internal bleeder and has a continuous current rating of 120 A at 4 kHz. It is air cooled by a built-in blower and offers a continuous drive power of about 47 kW with a peak current of 141 A.
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Product Description:
The DKR02.1-W200B is a drive controller manufactured by Bosch Rexroth Indramat within the DKR Drive Controllers series. Classified in the company’s Digital Intelligent AC Drive Controller product group, the unit governs power flow between a three-phase mains supply and synchronous or induction motors used in industrial automation. Its Line Series 02 designation and Design Version 1 hardware layout align it with motion axes that require closed-loop speed and torque regulation, while the internal bleeder circuitry lets the controller dissipate excess regenerative energy through an integrated brake resistor.
The power stage is fed by a three-phase mains range of 3xAC 400 … 480 V, ± 10%, and the control electronics are supported by a separate AC 230 V, ± 10% supply. At a 4 kHz switching frequency, the converter delivers a continuous output current of 120 A and can reach a peak of 141 A during acceleration or rapid deceleration events. These current limits correspond to a nominal drive capability of roughly 47 kW and are matched to a factory current rating code of 200, ensuring compatibility with high-inertia loads that demand sustained torque. The line-coded firmware monitors the brake resistor so that its continuous 1.5 kW thermal rating is not exceeded, and it tracks a maximum energy absorption capacity of 240 kWs to prevent overload during repeated braking cycles.
Thermal management relies on Air (built-in blower) cooling, and all expelled heat—including switching and bleeder losses—adds up to 1600 W under full duty. The brake resistor can dissipate 1.5 kW without derating, which aligns with the internal bleeder configuration that eliminates the need for an external dumping module. Total mass is approximately 104 kg, giving the assembly the inertia required for stable cabinet mounting while still permitting lift-assisted installation. Together, these characteristics allow the controller to handle 240 kWs of braking energy repeatedly without breaching component temperature limits.
Frequently Asked Questions about DKR02.1-W200B:
Q: What is the rated power voltage range for the DKR02.1-W200B drive controller?
A: The DKR02.1-W200B drive controller operates with a rated power voltage of 3xAC 400 ... 480 V, ±10%.
Q: Does the DKR02.1-W200B have an internal bleeder resistor configuration?
A: This model is equipped with an internal bleeder for energy dissipation during braking operations.
Q: What is the continuous current output of the DKR02.1-W200B at 4 kHz?
A: The continuous current provided by the DKR02.1-W200B at 4 kHz is 120 A.
Q: What cooling method does the DKR02.1-W200B drive controller use?
A: Air cooling with a built-in blower is used to manage heat in the DKR02.1-W200B.
Q: How much continuous power can the DKR02.1-W200B deliver at 4 kHz?
A: The continuous power output of the drive at 4 kHz is approximately 47 kW.
