DKR04.1-W400N-BE59-01-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: R911285141
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.
Internal Product Review
The DKR04.1-W400N-BE59-01-FW is a digital intelligent AC drive controller with a SERCOS command interface. Built-in blower cooling and digital servo/resolver feedback give the controller a strong balance of thermal stability and precise motor response. Continuous drive power of about 93 kW makes the package an excellent choice for high-power motion applications.
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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.
