DKR02.1-W300N-BE39-01-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: R911272891
The Bosch Rexroth Indramat DKR02.1-W300N-BE39-01-FW is part of the DKR Drive Controllers series and weighs approximately 104 kilograms. This digital intelligent AC drive controller operates at a continuous drive power of about 55 kW with a peak current of 212 Amps, and features a built-in blower for air cooling. The controller supports SERCOS interface command input and allows for digital servo and resolver feedback.
Internal Product Review
The DKR02.1-W300N-BE39-01-FW is a digital intelligent AC drive controller with a SERCOS interface, making the design especially appealing for precise motion control architectures. Air cooling with a built-in blower and a 3xAC 400 to 480 V rated power input support dependable performance in demanding industrial installations. Continuous drive power of approximately 55 kW and peak current of 212 A make the unit a strong choice for high-load servo applications.
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Product Description:
The DKR02.1-W300N-BE39-01-FW is a digital intelligent AC drive controller produced by Bosch Rexroth Indramat within the DKR Drive Controllers series. With a current rating code of 300, the unit coordinates high-power servo axes in automated machining centers and transfer lines. It belongs to line 02, design version 1, and function module version 01. This type of controller is used where large motors need stable torque, speed, and position control during demanding cycle changes. By regulating power to synchronous motors through resolver or digital servo feedback, the controller executes precise velocity and position loops required in industrial automation.
At the power stage, the drive supplies a continuous output current of 141 A at a 4 kHz switching frequency, delivering up to 55 kW of mechanical power to the connected motor. Control circuits are energized from a single-phase supply of AC 230 V ± 10%, while the main power section accepts a three-phase input of 3×AC 400–480 V ± 10%. Command data travels over the SERCOS interface, allowing deterministic communication with higher-level motion controllers. The unit uses a rigid DC bus without a brake chopper, so regenerative energy must be handled externally. Digital servo and resolver feedback ports support closed-loop operation across a wide speed range.
Thermal management relies on air cooling provided by a built-in blower. At full load, the unit dissipates 1800 W, which must be removed by cabinet airflow. The cabinet layout must allow a clear airflow path so heat can move away from the power section during sustained operation. The drive can supply momentary overloads up to 212 A, giving additional current for short acceleration demands before returning to its continuous rating. Total mass is approximately 104 kg, so the mounting panel must support a heavy installed load during placement and operation.
