DKR03.1-W100B-BE09-01-FW Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911282381
No Tariffs On US Orders- Straightforward Pricing: No Rush Fees, No Credit Card Fees
The Bosch Rexroth Indramat DKR03.1-W100B-BE09-01-FW is part of the DKR Drive Controllers series and weighs approximately 49 kilograms. It features digital servo and resolver feedback, a peak current of 71 Amps, and supports a rated power voltage of 3xAC 400 to 480 Volts. The controller uses air cooling with a built-in blower and includes an internal bleeder with a brake resistor power of 1 kW.
To contact sales for pricing and lead time:
Payment Methods
Shipping Methods
Our Credentials
Product Description:
The DKR03.1-W100B-BE09-01-FW is a digital intelligent AC drive controller manufactured by Bosch Rexroth Indramat for the DKR Drive Controllers series. It supplies regulated three-phase power to large synchronous or induction servo axes used in machine tools, presses, and handling equipment. A built-in blower expels conversion losses from the housing, enabling compact installation without external cooling assemblies. This arrangement supports precise speed and torque control in heavy-duty motion applications where stable electrical output is important during changing load conditions.
The controller accepts a mains input of 400–480 V AC, allowing direct connection to common factory supplies. A separate logic feed of 230 V AC keeps the control circuitry active for diagnostics and fieldbus communication even when the power section is disabled. At a 4 kHz switching frequency, the inverter delivers 71 A continuous current, which corresponds to 26 kW continuous output at rated voltage. Motion commands, parameter sets, and status words are exchanged through the SERCOS interface, enabling synchronized multi-axis operation. The drive also processes digital servo feedback and resolver signals, so it can work with different motor feedback systems used on industrial axes. Its current rating 100, line series 03, design version 1, and function module version 01 identify its exact configuration.
During rapid deceleration, the integrated brake resistor handles 1 kW brake dissipation on a continuous basis and can absorb up to 150 kWs braking energy from the DC bus. Internal losses produce a 900 W heat load, so the enclosure ventilation system must remove this heat to protect the power semiconductors. The output stage can also support brief overload demands during changing load conditions, even though continuous operation is limited by thermal constraints. Mechanical installation is influenced by the unit’s 49 kg weight, which reflects the size of its power section and integrated braking hardware. Adequate mounting support and unobstructed airflow help the drive operate reliably in densely packed cabinets.
