DKC03.3-040-7-FW
DKC Drive Controllers
The Bosch Rexroth Indramat DKC03.3-040-7-FW is a versatile DKC Drive Controller from the DKC Drive Controllers series. It offers a 700 V nominal DC-bus, 40 A rated current and PROFIBUS communication. Accepting 200-480 V at 50-60 Hz, it delivers up to 800 V output and uses a 24 V control supply.
Technical Specifications
Brake Loop-through Current Max
10 A
Brake Supply Max Voltage
DC 40 V
Control Power Consumption
21 W
Control Supply Voltage
DC 24 V
DC-bus nominal voltage
700 V
Depth
261 mm
Design
3
Design Version
3
Height
360 mm
Interface Option
03
Max Input Current
16 A
Max Output Current
40 A
Max Output Frequency
1000 Hz
Max Output Voltage
800 V
Maximum Input Current
16 A
Maximum Output Current
40 A
Maximum Output Frequency
1000 Hz
Maximum Output Voltage
800 V
Minimum Bottom Clearance
80 mm
Minimum Top Clearance
150 mm
Output Phases
3
Power Dissipation (continuous)
180 W
Product Type
EcoDrive
Rated Control Voltage
24 V
Rated Current
40 A
Series
03
Short-circuit Current Rating
42000 A rms
Weight
5.7 kg
Width
65 mm
Frequently Asked Questions
How does the PROFIBUS integration in the DKC03.3-040-7-FW affect multi-device communication within motion networks?
The controller supports PROFIBUS, enabling fast, cyclic data exchange with PLCs and HMI systems. This ensures seamless communication across decentralized motion architectures.
How does the high nominal bus voltage of the DKC03.3-040-7-FW influence response time in torque-intensive applications?
It operates on a 700 V DC-bus, delivering fast energy transfer for responsive motor acceleration. This supports rapid control loops and reduces delay in dynamic load conditions.
What performance advantage does the rated output current of the DKC03.3-040-7-FW offer during sustained motion cycles?
The unit supplies a rated current of 40 A, maintaining consistent torque under continuous load. This minimizes torque drop and keeps motion profiles accurate.
How does the input voltage compatibility of the DKC03.3-040-7-FW affect cross-regional installation flexibility?
It accepts input from 200 to 480 V at 50–60 Hz, covering a wide range of global mains standards. This reduces the need for voltage adaptation hardware during deployment.
How does the control supply requirement of the DKC03.3-040-7-FW influence circuit planning for panel builders?
The unit uses a 24 V control supply, allowing low-voltage separation between logic and power sections. This simplifies protection design and supports safer system architecture.
Common Misspellings
DKC 03.3-040-7-FW
DKC03-3-040-7-FW
DKC03.3-040-7
DKC03.3-040-7-FM
DKC03.3-040-7-FU
DKC03.3-040-7FW
DKC0330407FW
DKC3.3-040-7-FW
DKCO3.3-040-7-FW
DKC03 3 040 7 FW
dkc03.3-040-7-fw
Internal Product Review
The DKC03.3-040-7-FW from Bosch Rexroth Indramat is a robust drive controller with a 40 A rated current. It supports a wide input range of 200 – 480 V at 50 – 60 Hz, delivers up to 800 V output, and includes a 24 V control supply. The reliable connectivity is ensured through PROFIBUS communication.
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