DKC11.3-200-7-FW Bosch Rexroth Indramat
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MPN: R911284139
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The Bosch Rexroth Indramat DKC11.3-200-7-FW is part of the DKC Drive Controllers series and is classified as an EcoDrive product. It offers a maximum output current of 200 A and operates with a DC-bus nominal voltage of 700 V. The device supports a maximum output frequency of 1000 Hz and features a brake supply with a maximum voltage of 40 V DC.
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Product Description:
The DKC11.3-200-7-FW is a drive controller produced by Bosch Rexroth Indramat for the DKC Drive Controllers series. Classified by the manufacturer as an EcoDrive unit, it conditions three-phase power for servo axes and returns excess energy to the shared DC bus. Hardware designation 11 and design version 3 place the module in the third mechanical revision of this series, and interface option 11 equips it for integrated motion and communication tasks in distributed automation cells.
Its power stage supplies 200 A maximum output current while the continuous capability at 4 kHz switching is 85 A; acceleration bursts can reach 100 A peak current. The internal link operates at 700 V nominal, and the inverter can deliver up to 800 V maximum output. With 8 kHz carrier frequency the drive achieves 800 Hz maximum output frequency; the 4 kHz setting limits it to 400 Hz, and firmware allows 1000 Hz under reduced torque. Maximum input current is 38 A. A 6 Ω dynamic-brake resistor and a 24 Ω soft-start element limit inrush and regenerate energy, keeping capacitor charge within the 60 kWs threshold and holding dissipation to the same figure. Thermal loss at i_cont2 with no external bleeder is 960 W, and dynamic braking is present.
Logic electronics accept 24 V DC control power and consume 29 W, while the motor brake circuit tolerates 40 V DC. Circuit protection is supplied by a 70 A branch fuse, and the bleeder assembly handles surges up to 120 kW at 850 V for 0.5 s every 60 s. Cabinet space requirements are defined by a 230 mm device width, 360 mm height, and 261 mm depth. The rated and type currents are each 200 A, providing a single reference value for drive sizing. These remaining electrical, thermal, and dimensional limits round out the module’s parameter set for commissioning engineers.
