DKC22.3-200-7-FW Bosch Rexroth Indramat
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MPN: R911296562
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The Bosch Rexroth Indramat DKC22.3-200-7-FW is part of the DKC Drive Controllers series andis an ECODRIVE03 DKC drive controller. It has a rated input voltage of AC 200-480 V and a maximum output current of 200 Amps. This controller operates with a control supply voltage of 24 VDC and supports input frequencies between 50 and 60 Hz.
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Product Description:
The DKC22.3-200-7-FW is a drive controller marketed by Bosch Rexroth Indramat within the DKC Drive Controllers series. Categorized by the manufacturer as an EcoDrive, the unit serves as the command and power stage that links an AC mains supply to servo or spindle motors in automated machinery. It rectifies, stores, and pulses energy so closed-loop motion axes follow velocity or torque commands generated by higher-level control systems.
Operating power is accepted across a broad input window of AC 200-480 V, making the controller suitable for mixed-voltage plants. The rectifier raises this supply to a stable 700 V DC bus before the inverter distributes it to three output phases. That inverter is rated for a continuous current of 200 A and can be clocked at 1000 Hz, so fast-response motors maintain smooth torque even at high electrical frequencies. Phase voltages may climb to 800 V during regeneration, and the optional line choke passes 70 A continuously to damp ripple. Interface option 22 and design version 3 define connector pin-outs, while ±10 % input voltage and ±2 Hz mains frequency tolerances keep the drive within regulation. Low-level electronics draw 24 V DC for logic and I/O isolation.
Controller logic dissipates 29 W, a figure used when sizing cabinet cooling. During acceleration ramps the rectifier can draw 38 A from the mains, so upstream fusing must match this surge. The integrated brake relay handles motor-mounted clamps at 4 A and keeps contacts within specification by switching at up to 40 V; minimum excitation remains 100 mA and mechanical life reaches 250 000 cycles. Where harmonics must be filtered, the optional series choke carries 70 A without derating. Because the supply may originate from any global utility, an input band of 50–60 Hz allows installation without hardware changes, and the brake control circuitry is protected against transients by a ceiling of 40 VDC.
