DKC11.3-040-7-FW
DKC Drive Controllers
The DKC11.3-040-7-FW from Bosch Rexroth Indramat features a DC-bus nominal voltage of 700 V and a rated current of 40 A. Part of the DKC Drive Controllers, it supports 3 x AC (380–480 V) mains input and runs at 50/60 Hz. This controller has a soft-start resistor of 4.7 Ω and protection rating IP20.
It works from 0 °C to 40 °C and manages DC bus voltages of 152–420 V. Design version 3. Installation altitude up to 1000 m.
Technical Specifications
Continuous Bleeder Power
0.15 kW
DC-bus nominal voltage
700 V
Design
3
Design Version
3
Device Power Dissipation
180 W
Interface Option
11
Max Dc Bus Charge
5.0 kWs
Max Energy Dissipation
5.0 kWs
Max Output Frequency (8 Khz)
800 Hz
Overall Depth
261 mm
Overall Height
360 mm
Overall Width
65 mm
Peak Bleeder Power
10 kW
Product Type
EcoDrive
Rated Current
40 A
Series
11
Soft-start Resistor Power
0.15 kW
Type Current (peak Current 1)
40 A
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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