DKR03.1-W100Z-B 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: R911269062
The Bosch Rexroth Indramat DKR03.1-W100Z-B is a digital intelligent AC drive controller in the DKR Drive Controllers series. It features a continuous current of 71 Amps at 4 kHz and supports both digital servo and resolver feedback. The controller provides approximately 26 kW continuous power at 4 kHz and weighs about 49 kilograms.
Internal Product Review
The DKR03.1-W100Z-B is a digital intelligent AC drive controller designed for 3xAC 400 to 480 V systems. Air cooling with a built-in blower supports stable thermal management, and digital servo plus resolver feedback adds valuable integration flexibility. A continuous power rating of about 26 kW makes the unit a strong choice for demanding drive applications.
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Product Description:
The DKR03.1-W100Z-B is an AC drive controller produced by Bosch Rexroth Indramat and belongs to the DKR Drive Controllers series. It is supplied in design version 1 and is part of Line 03. The product is a digital intelligent AC drive controller intended for closed-loop regulation of synchronous and asynchronous servo axes in machining centers, printing lines, and general factory automation. By processing real-time feedback and supplying controlled three-phase power, the unit coordinates torque, speed, and position so connected motors can follow programmed motion profiles with high accuracy. This makes the controller suitable for applications that require stable response during acceleration, deceleration, and continuous-speed operation across automated production equipment.
At a switching frequency of 4 kHz, the drive supplies 71 A of continuous current, enabling steady operation of large spindle or servo motors. Under the same conditions, it can furnish 26 kW of continuous power. The logic and blower circuits are energized from an AC 230 V ±10% control voltage, while the power section accepts a 3×AC 400–480 V ±10% rated power input that matches common industrial mains. This separation between the control supply and the main power input supports stable operation of the electronics while the output stage handles motor demand. Internally, the controller dissipates 900 W of heat, which affects cabinet airflow and auxiliary cooling requirements.
The internal thermal load is removed by a built-in air blower, eliminating the need for external liquid circuits. The unit has a current rating of 100, and position integrity is maintained through digital servo and resolver feedback, permitting the controller to switch between speed and position loops without additional interface cards. That feedback arrangement supports accurate commutation and responsive correction of load-related speed changes during operation. Despite its power capability, the drive weighs 49 kg, which affects panel reinforcement and handling during installation in larger control cabinets.
