DKR04.1-W300N-BE24-02-FW Bosch Rexroth Indramat
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MPN: R911280857
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The Bosch Rexroth Indramat DKR04.1-W300N-BE24-02-FW is part of the DKR Drive Controllers series. This digital intelligent AC drive controller features a SERCOS command interface and supports a rated power voltage of 3-phase AC 400 to 480 V with a control voltage of AC 230 V. It offers a continuous current of 185 A at 4 kHz and a peak current of 212 A, with a weight of approximately 150 kg and air cooling via a built-in blower.
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Product Description:
The DKR04.1-W300N-BE24-02-FW is a digital intelligent AC drive controller produced by Bosch Rexroth Indramat for the DKR Drive Controllers series. In multi-axis machining centers and automated handling stations, it supplies regulated three-phase power to synchronous or induction motors while exchanging motion commands with a central PLC through a fiber-optic SERCOS bus. This controller closes speed, torque, and position loops inside the unit, which allows the axis to react quickly to command changes and load variations. That arrangement supports coordinated motion tasks such as feed axes, transfer systems, and other applications that require stable motor control during continuous operation.
The drive sustains a continuous output of 185 A at a 4 kHz carrier frequency, which corresponds to a thermal power capability of 82 kW during long operating cycles. The mains connection is rated at 3 x AC 400 to 480 V ±10%, allowing installation on common factory distribution networks without an isolation transformer. A separate AC 230 V ±10% control supply powers the internal logic and I/O so diagnostic functions can remain active during mains switching. Command data reach the unit over the SERCOS interface, and motor position is returned through digital servo or resolver feedback for closed-loop control. This combination lets the controller manage both power delivery and motion communication from one cabinet-mounted unit.
No brake chopper is fitted, so regenerated energy must be handled through line inverters or external resistors when the connected axis decelerates. Thermal management relies on a built-in air blower, and the assembly dissipates 2250 W of heat at full load. During rapid acceleration, the inverter can deliver a peak current of 212 A, and the unit uses current rating code 300 in line 04 with design version 1. Final panel layout must support a mass of 150 kg and provide unobstructed airflow around the drive. Adequate cabinet spacing also helps maintain stable cooling air movement across the power section.
Frequently Asked Questions about DKR04.1-W300N-BE24-02-FW:
Q: What command interface does the DKR04.1-W300N-BE24-02-FW drive controller use?
A: The DKR04.1-W300N-BE24-02-FW supports a SERCOS interface for command control.
Q: What is the continuous power output rating of the DKR04.1-W300N-BE24-02-FW at 4 kHz?
A: This drive controller provides a continuous power output of roughly 82 kW at 4 kHz.
Q: How is the DKR04.1-W300N-BE24-02-FW drive controller cooled?
A: The DKR04.1-W300N-BE24-02-FW is cooled by a built-in air blower.
Q: What type of motor feedback does the DKR04.1-W300N-BE24-02-FW support?
A: It uses digital servo and resolver feedback for motor feedback.
Q: What control voltage is required for the DKR04.1-W300N-BE24-02-FW?
A: The control voltage required for this model is AC 230 V, ±10%.
