R911279433 (DKC11.3-040-7-FW)
DKC Drive Controllers
Technical Specifications
Product Line
DKC AC Drive Controllers
Software
Standard firmware preinstalled
Add-On Cards Availability
Yes
Communications Interface
Analog
Operating Modes
Four
Design
Compact
Motor Compatibility
MKD motors, Single-axis and multi-axis motors
DC Bus Voltage
700V
Rated Current
40A
Insulation Standard
IP20
Operating Temperature
5°C to 55°C
Optimum Output Temperature
5°C to 45°C
Applications
Packaging and handling
Frequently Asked Questions
What environmental and altitude constraints should be considered when installing the DKC11.3-040-7-FW in industrial enclosures?
The drive operates between 0 °C and 40 °C and supports installation altitudes up to 1000 m. These limits ensure safe thermal and voltage performance under standard factory conditions.
How does the high nominal bus voltage of the DKC11.3-040-7-FW support rapid torque response in high-speed axis control?
It operates at a 700 V DC-bus, which ensures fast energy availability during torque transients. This enables efficient acceleration and braking in fast-motion cycles.
How does the rated current capability of the DKC11.3-040-7-FW influence continuous-duty servo applications?
The controller delivers 40 A rated current, maintaining output consistency in high-load motion tasks. This supports reliable torque generation without thermal derating.
What installation flexibility does the DKC11.3-040-7-FW offer across international three-phase industrial power systems?
It accepts 3 x AC mains input ranging from 380 to 480 V at 50/60 Hz. This simplifies integration into global production environments without requiring additional voltage conditioning.
How does the soft-start resistor design in the DKC11.3-040-7-FW protect against inrush during bus charging?
It includes a 4.7 Ω soft-start resistor that limits charging current at startup. This protects drive electronics and extends component life during repetitive power cycles.
Common Misspellings
DKC 11.3-040-7-FW
DKC11-3-040-7-FW
DKC11-3-040-7FW
DKC11.3-040-7
DKC11.3-040-7FW
DKC1130407FW
DKC11 3 040 7 FW
dkc11.3-040-7-fw
Internal Product Review
The Bosch Rexroth Indramat DKC11.3-040-7-FW is a reliable drive controller designed for industrial use. It supports 3 x AC (380–480 V) mains input, operates at 50/60 Hz, and offers IP20 protection with a 4.7 Ω soft-start resistor. Its rated current is 40 A with a DC-bus nominal voltage of 700 V.
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