DKC01.3-040-7-FW Bosch Rexroth Indramat
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MPN: R911279426
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The Bosch Rexroth Indramat DKC01.3-040-7-FW is part of the DKC Drive Controllers series and is designed as an EcoDrive with a rated current of 40 Amps and a DC-bus nominal voltage of 700 Volts. The unit features a maximum output frequency of 1000 Hz and requires a control voltage of 24 V DC. With dimensions of 360 mm in height, 65 mm in width, and 261 mm in depth, the drive controller weighs 5.7 kg.
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Product Description:
The DKC01.3-040-7-FW is a drive controller manufactured by Bosch Rexroth Indramat for the DKC Drive Controllers series. As an EcoDrive unit, it supplies regulated three-phase power to synchronous or induction motors used in industrial automation, coordinating speed and torque commands from a higher-level motion system. This makes it suitable for motion tasks that require controlled motor response, stable speed regulation, and repeatable torque delivery in automated equipment.
The controller operates from a DC bus held at 700 V, enabling energy exchange with regenerated motor power. Its output stage supports a continuous current of 40 A, while the supply side can draw up to 16 A during acceleration. The inverter can deliver line-to-line voltages up to 800 V and switching frequencies up to 1000 Hz, permitting precise commutation of high-speed servo motors. Internal losses remain at 180 W under nominal load, so enclosure ventilation must remove that heat during normal operation. Logic and I/O circuits receive a 24 V DC control input, and this rail also supplies the 40 V DC brake terminal. A ready contact rated for 1 A DC signals drive availability to the PLC, and Interface Option 01 is used for the communication connection in this design version.
The housing measures 360 mm in height, 65 mm in width, and 261 mm in depth, with a mass of 5.7 kg. Bosch Rexroth specifies 150 mm of free space above the heat sink and 80 mm below it so airflow can pass through the cooling fins without obstruction. Continuous operation is permitted up to 45 °C, and with derating the unit can remain active at 55 °C. The control electronics consume only 21 W, which helps limit the load placed on the external 24 V supply. Version 3 of the design uses the same Series 01 front panel layout, which supports consistent connection and mounting within the product line.
Frequently Asked Questions about DKC01.3-040-7-FW:
Q: What is the DC-bus nominal voltage of the DKC01.3-040-7-FW controller?
A: The DKC01.3-040-7-FW drive controller operates with a nominal DC-bus voltage of 700 V.
Q: What is the rated current for the DKC01.3-040-7-FW drive controller?
A: This model supports a continuous rated current of 40 A for standard operations.
Q: What is the maximum output frequency of the DKC01.3-040-7-FW?
A: The DKC01.3-040-7-FW has a maximum output frequency of 1000 Hz.
Q: What is the maximum ambient temperature at nominal load for the DKC01.3-040-7-FW?
A: This controller has a maximum ambient temperature of 45 °C under nominal load conditions.
Q: What design version is the DKC01.3-040-7-FW drive controller?
A: The DKC01.3-040-7-FW is listed as Design Version 3 in the product lineup.
