DKC03.3-100-7-FW
DKC Drive Controllers
Technical Specifications
Brake Output Max Current
DC 2 A
Brake Output Max Voltage
DC 40 V
Continuous Power Dissipation
420 W
Control Supply Power
26 W
Control Supply Power (no Brake)
26 W
Control Supply Voltage
24 VDC
Control Voltage Input
24 VDC
DC-bus nominal voltage
700 V
Depth
261 mm
Design
3
Design Version
3
Height
360 mm
Input Voltage Tolerance
±10 %
Interface Option
03
Max Ambient Temp (nominal)
45 °C
Max Ambient Temp (reduced)
55 °C
Max Input Current
40 A
Max Output Current
100 A
Max Output Frequency
1000 Hz
Max Output Voltage
800 V
Maximum Input Current
40 A
Maximum Output Current
100 A
Maximum Output Frequency
1000 Hz
Maximum Output Voltage
800 V
Output Phases
3
Power Dissipation (continuous)
420 W
Product Type
EcoDrive
Rated Current
100 A
Series
03
Short Circuit Current Rating
42000 A rms
Weight
9.7 kg
Width
105 mm
Frequently Asked Questions
How does the high output frequency of the DKC03.3-100-7-FW impact motor behavior in high-speed applications?
The controller supports an output frequency of 400 Hz, enabling precise control in fast-rotating motor systems. This benefits spindles and machinery requiring fine resolution at elevated speeds.
What role does the soft-start resistor play in the power-up behavior of the DKC03.3-100-7-FW?
It includes a 0.5 kW soft-start resistor with 24 Ω resistance to manage inrush current during startup. This reduces stress on the power components and extends system life.
How does the charging current range of the DKC03.3-100-7-FW influence DC bus preparation before load connection?
It supports a nominal charging current between 12–28 A, ensuring the DC-bus charges gradually and safely. This prevents voltage spikes that could affect sensitive drive electronics.
How does the mains compatibility of the DKC03.3-100-7-FW support deployment across varied plant power configurations?
The unit supports both single-phase and three-phase operation, allowing flexible installation in mixed-voltage environments. This makes it adaptable to both standalone and networked control cabinets.
How does the firmware handling of the DKC03.3-100-7-FW affect long-term upgrade and maintenance strategy?
Firmware is sold separately, giving users the ability to match software features with specific application needs. This modular approach also simplifies future firmware upgrades or replacements.
Common Misspellings
DKC 03.3-100-7-FW
DKC03-3-100-7-FW
DKC03.3-100-7
DKC03.3-100-7FW
DKC0331007FW
DKC3.3-100-7-FW
DKCO3.3-100-7-FW
DKC03 3 100 7 FW
dkc03.3-100-7-fw
Internal Product Review
The Bosch Rexroth Indramat DKC03.3-100-7-FW is a powerful drive controller offering a 100 A rated current. It operates with a 700 V DC-bus, supports both single and three-phase mains, and delivers up to 400 Hz output frequency. Its integrated 0.5 kW soft-start resistor ensures smooth performance.
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