R911294094 (DKR04.1-W400N-BA08-01-FW)

Name: R911294094 (DKR04.1-W400N-BA08-01-FW)
Brand: Indramat Drives
SKU: DKR04.1-W400N-BA08-01-FW
Price: 188.00 USD
Availability: InStock
Rating: 4.7 (8 reviews)

DKR Drive Controllers

Rated 4.7 stars (8 total reviews)

In-Stock, Ships 3-5 Days

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Phone

Part Number

+Add a message

Message

Request a Replacement

Request a Repair

Quote Both

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The R911294094 (DKR04.1-W400N-BA08-01-FW) is a servo controller drive engineered for precise operation of industrial motors within automation systems. It features digital servo and resolver feedback for accurate motion control, supports analog command interfaces, and accommodates configuration through auxiliary cards in slots U1 to U5. The unit operates at 400 V, delivers 99 kW at 4 kHz and 66 kW at 8 kHz, with a rated current of 400 A. It utilizes a built-in air blower for cooling, does not include a breather or brake chopper, and weighs 150 kg. Control voltage is 230 V, supporting 50–60 Hz at 300 VA. An H1 display provides error alerts for operational status monitoring.

Technical Specifications

Weight of Drive
150kg

Weight of Accessories Kit M1-RAC3
1kg to 7kg

Current at 4kHz
210A

Current at 8kHz
150A

Voltage
400V

Power Output at 4kHz
99Kw

Power Output at 8kHz
66Kw

Control Voltage
230V

Voltage Frequency
50Hz-60Hz

Voltage Power
300 VA

Peak Current
282A

Peak Power
125Kw

Continuous Regenerated Power
92Kw

Air Regulation
Inbuilt air blower

Error Notification
Through H1 display unit.

Frequently Asked Questions

How does the 400 A rating of the DKR04.1-W400N-BA08-01-FW affect system design?

It enables direct use in high-power servo applications without external amplification. Designers must ensure cabling and protection devices can safely handle the current.

What installation considerations arise from its air-cooling system?

Adequate clearance must be provided for airflow from the built-in blower. Dust filtration is recommended in harsh environments to maintain consistent cooling.

Why does the unit omit a bleeder or brake chopper?

The rigid DC bus design simplifies the layout and reduces failure points. However, braking energy must be managed externally if rapid deceleration is frequent.

How does digital servo feedback improve motion accuracy?

It allows precise position and velocity monitoring in closed-loop control. This ensures tighter path following in applications like gantry systems.

What are the implications of using an analog communication interface?

Integration with legacy or standard controllers is straightforward. However, users must consider signal conditioning for noise immunity in electrically noisy environments.

Common Misspellings

DKR 04.1-W400N-BA08-01-FW

DKR04.1-W400N-BA-08-01-FW

DKR04.1-W400N-BA08-O1-FW

DKR04.1.W400N.BA08.01.FW

DKR041W400NBA0801FW

DKRO4.1-W4OON-BAO8-O1-FW

DKR04 1 W400N BA08 01 FW

dkr04.1-w400n-ba08-01-fw

DKR4.1-W400N-BA08-01-FW

Internal Product Review

The Bosch Rexroth DKR04.1-W400N-BA08-01-FW drive controller delivers 400A rated current and uses a rigid DC bus without a brake chopper. It supports analog communication and resolver feedback, ensuring accurate control in servo systems. Commonly used in robotics, automotive manufacturing, and CNC machinery for coordinated multi-axis motion.