DKR03.1-W200B-BA05-01-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: R911286105
The Bosch Rexroth Indramat DKR03.1-W200B-BA05-01-FW is a digital intelligent AC drive controller and part of the DKR Drive Controllers series. It features an analog command interface and supports digital servo and resolver feedback. The drive has a peak current of 141 Amps, a continuous power of 35 kW at 4 kHz, and uses air cooling with a built-in blower. It weighs approximately 49 kilograms.
Internal Product Review
The DKR03.1-W200B-BA05-01-FW is a Bosch Rexroth Indramat digital intelligent AC drive controller with an analog interface and air cooling from a built-in blower. A continuous power rating of approximately 35 kW at 4 kHz and a peak current of 141 A give the controller strong technical appeal for demanding servo applications. Digital servo and resolver feedback together with an internal bleeder make the controller a highly capable choice for stable motion control integration.
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Product Description:
The DKR03.1-W200B-BA05-01-FW is a digital intelligent AC drive controller produced by Bosch Rexroth Indramat and placed within the DKR Drive Controllers series. As a three-phase inverter with internal energy-handling hardware, it supplies regulated power to synchronous and induction servomotors used in automated machinery. This supports coordinated motion, controlled acceleration, and dynamic braking in multi-axis production cells where several axes must respond predictably to changing load conditions.
At a switching frequency of 4 kHz, the drive delivers a continuous output of 92 A, while short transients can reach 141 A without derating. The factory current rating of 200 indicates the controller class used for matching motor sizes and cable selection in long-term duty. The internal power section provides approximately 35 kW of continuous mechanical output, and the auxiliary brake resistor absorbs 1 kW continuously for repeated deceleration of high-inertia loads. A built-in bleeder circuit dissipates brake energy inside the housing, command signals are received through an analog interface, and thermal management relies on forced-air cooling with an integral blower to keep internal temperatures within normal operating limits.
Power is drawn from a three-phase supply of 3xAC 400 – 480 V ±10%, while the control electronics operate from a separate AC 230 V ±10% feed to keep the logic isolated from mains fluctuations. The internal resistor can absorb braking pulses totaling 150 kWs per cycle before reaching its thermal limit, and overall losses reach 1200 W, so cabinet ventilation must remove a substantial heat load during operation. Motion feedback can be accepted from digital servo encoders or resolver signals, which allows the controller to work with different motor feedback formats in established servo installations. The controller is design version 1, function module version 01, and line series 03. It weighs 49 kg, which should be considered for panel mounting and cabinet support planning.
