R911279431 (DKC03.3-100-7-FW)

Name: R911279431 (DKC03.3-100-7-FW)
Brand: Indramat Drives
SKU: DKC03.3-100-7-FW
Price: 396.00 USD
Availability: InStock
Rating: 4.1 (12 reviews)

DKC Drive Controllers

Rated 4.1 stars (12 total reviews)

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The R911279431 (DKC03.3-100-7-FW) is a DKC Drive Controller from the DKC03.3 product series, developed for controlling Indramat MKD motor series in automation applications. This unit operates with a rated current of 100 A, supports a DC-bus nominal voltage of 700 V, and accepts input voltages between 200 V and 480 V at input frequencies of 50-60 Hz for single or three-phase operation. The controller features a modular design, integrates with Profibus Master, and provides a maximum output frequency of 400 Hz (at fS=4 kHz). Additional specifications include a soft-start resistor of 0.5 kW continuous power and 24 Ω, nominal charging current range of 12 A to 28 A, and operation within environments rated for pollution degree 2 and ambient temperatures up to 45°C. Firmware is supplied separately.

Technical Specifications

Current Type
100A

Rated Input Voltage
200-480V

Input Frequency
50-60 Hz

Communication Compatibility
Profibus Master

Design
Modular

Location of Firmware
External

Weight
9.7 kg

Pollution Degree
2

Working Temperature
Up to 45oC

Availability
Indramat USA

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.