R911287848 (DKR04.1-W300N-BT67-01-FW)

Name: R911287848 (DKR04.1-W300N-BT67-01-FW)
Brand: Indramat Drives
SKU: DKR04.1-W300N-BT67-01-FW
Price: 909.00 USD
Availability: InStock

DKR Drive Controllers

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The R911287848 (DKR04.1-W300N-BT67-01-FW) is a Bosch Rexroth drive controller intended for controlled operation in NC-controlled machine tools and printing machinery. It supports three-phase power supplies rated at 3xAC 400 V to 480 V and can utilize an autotransformer for voltage compatibility as well as an isolating transformer for overvoltage protection. The drive controller is manufactured to IP20 protection requirements per EN 60 529 and is suitable for installation within a cabinet or closed housing compliant with DIN VDE 0160. It employs air cooling via a built-in blower, operates within a temperature range of +5 to +45 °C, and is designed for use at altitudes up to 1000 meters. The unit includes a SERCOS interface for command input, supports digital servo and resolver feedback for motor control, and has a rigid DC bus with no brake chopper. Rated for a nominal current of approximately 300A, the controller is configured as DKR series, line 04, design version 1, and function numeric version 01. Care should be taken during installation to prevent moisture ingress, particularly from heat exchangers.

Technical Specifications

Control level
High

Speed range
Broad with constant power

Connections
Direct to grounded star systems or 3-phase systems

Voltage
3xAC 400 V ... 480 V

Power connection
Autotransformer for voltage matching

Protection
Optional isolating transformer for overvoltage

Brake resistor
Optional internal or external

Meets protection category
IP20 as per EN 60 529

Cooling method
Airflow in and out of cabinet

Ambient operating temperature
+5° to +45° C

Installation elevation
0 to 1000 m above sea level

Heat exchangers arrangement
To prevent drippings on electronic equipment

Frequently Asked Questions

Can the DKR04.1-W300N-BT67-01-FW be used with non-SERCOS systems?

No, its command interface is strictly SERCOS-based. Integrating it with other networks would require compatible gateways or control reconfiguration.

Why is resolver feedback paired with digital servo feedback in this unit?

It allows compatibility with both modern servo motors and older resolver-equipped motors. This flexibility simplifies migration in mixed-drive environments.

What are the cabinet design considerations for this controller?

Adequate cooling air channels and vibration-free mounting surfaces are essential. Failure to meet these can shorten component life or trigger thermal shutdowns.

Can this drive operate continuously at nominal current?

Yes, but only if cooling requirements are fully met. Excessive cabinet temperatures can reduce continuous current handling.

What precautions should be taken when wiring the DKR04.1-W300N-BT67-01-FW?

Shielded cables should be used to minimize electrical noise. Proper grounding is vital for stable resolver and servo feedback signals.

Common Misspellings

DKR041W300NBT6701FW

DKR04 1 W300N BT67 01 FW

dkr04.1-w300n-bt67-01-fw

DKR4.1-W300N-BT67-01-FW

Internal Product Review

The DKR04.1-W300N-BT67-01-FW is a drive controller from Bosch Rexroth’s DKR series. It uses air cooling via a built-in blower and includes a rigid DC bus without a brake chopper. Its enclosure is intended for mounting inside a control cabinet consistent with DIN VDE 0160 housing practices.