DKR04.1-W400N-BE59-01-FW Bosch Rexroth Indramat
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MPN: R911285141
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The Bosch Rexroth Indramat DKR04.1-W400N-BE59-01-FW is part of the DKR Drive Controllers series and weighs approximately 150 kilograms. This digital intelligent AC drive controller offers a continuous power output of roughly 93 kW at 4 kHz, with a peak current of 282 Amps, and features air cooling with a built-in blower. It uses a SERCOS command interface and supports digital servo and resolver feedback for motor feedback.
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Product Description:
The DKR04.1-W400N-BE59-01-FW is a Digital Intelligent AC Drive Controller manufactured by Bosch Rexroth Indramat for the DKR Drive Controllers series. It converts incoming electrical power into controlled output for large servo motors used in presses, gantry drives, and metal-cutting centers. It is intended for applications where large axes must maintain steady torque at low speed and transition smoothly into higher-speed operation. By combining regulation, diagnostics, and communication in one enclosure, the unit supports multi-axis motion with fast response during changing load conditions.
Power is supplied from a three-phase mains range of 3 x AC 400–480 V with a tolerance of ±10%, while the logic circuits use a separate AC 230 V control feed with the same margin. At a switching frequency of 4 kHz, the inverter can deliver a continuous phase current of 210 A, which corresponds to about 93 kW of sustained mechanical output at the connected motor. Internal conduction, switching, and blower losses can generate up to 2500 W of heat, so the cabinet must provide enough airflow and heat removal capacity for stable operation. Separating the control supply from the main power input helps the unit maintain regulated control functions during startup and shutdown. The controller has a current rating of 400 A and is in line 04 with design version 1 and function module version 01.
For rapid acceleration, the drive can reach a peak output of 282 A. Thermal stability is supported by a built-in air blower, which moves cooling air through the unit and avoids the need for liquid cooling hardware. Motion commands are exchanged over the SERCOS interface, and position signals are accepted through digital servo and resolver feedback channels so the controller can work with common motor feedback formats. This arrangement supports closed-loop motion tasks that require precise synchronization between the drive and higher-level control. The enclosure weighs 150 kg, which should be considered when planning panel support and mounting space.
Frequently Asked Questions about DKR04.1-W400N-BE59-01-FW:
Q: What command interface is available on the DKR04.1-W400N-BE59-01-FW controller?
A: This drive controller operates with a SERCOS interface for command input.
Q: What is the continuous current output for this drive at 4 kHz?
A: The DKR04.1-W400N-BE59-01-FW can provide a continuous current of 210 A at 4 kHz.
Q: How is the DKR04.1-W400N-BE59-01-FW drive controller cooled?
A: Air cooling is provided by a built-in blower in this controller.
Q: What type of motor feedback does this controller accept?
A: It supports digital servo and resolver feedback for motor feedback operations.
Q: What is the rated power voltage for the DKR04.1-W400N-BE59-01-FW?
A: The rated power voltage required is 3-phase AC 400 to 480 V, with a tolerance of plus or minus 10%.
