R911295765 (DKR04.1-W400E-BE73-01-FW)

Name: R911295765 (DKR04.1-W400E-BE73-01-FW)
Brand: Indramat Drives
SKU: DKR04.1-W400E-BE73-01-FW
Price: 443.00 USD
Availability: InStock

DKR Drive Controllers

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The Bosch Rexroth MPN R911295765 (DKR04.1-W400E-BE73-01-FW) is a converter drive designed for operation on a 3 x AC 400-480V grounded mainline, supporting system frequency variations between 50 Hz and 60 Hz and a control voltage of AC 230V ±10%. It features an external bleeder configuration with brake chopper and rigid DC bus, and incorporates an air cooling method using a built-in blower that dissipates 1.8 kW of heat energy, with a total energy dissipation of 2.5 kW. This model achieves a peak power output of 125 kW at a maximum current of 282 A and supports steady power output ratings of 93 kW at 4 kHz switching frequency (210 A input) and 66 kW at 8 kHz (150 A input). Regenerative operation is rated at 66 kW. The drive operates accurately up to 1000 m altitude and provides an IP20 protection class. The command interface is SERCOS, and it supports digital servo and resolver feedback. Rated current is 400 A, and current capacity can be increased with the use of external bleeder resistors. This device is intended for application in high-power machinery.

Technical Specifications

Produce
Direct electrical power

System
Voltage level deceleration

Operating Frequency
50 to 60Hz

Control Voltage
AC 230V

Peak Drive Power
125 kW

Current Value
282 A

Continuous Current Flow (4kHz)
210 A

Continuous Power (8kHz)
66 kW

Continuous Current Flow (8kHz)
150 A

Net Weight
150 kg

Accessories Weight
1 - 7 kg

Cooling System
Built-in Blower

Heat Dissipation
1.8 kW

Total Energy Dissipation
2.5 kW

Operating Altitude
1000 m

Maximum Current Capacity
400 A

Protection Class
IP20

Function Numeric Code
59

Function Version Numeric Code
01

Frequently Asked Questions

What current-limiting characteristics does the Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW motor unit maintain at 400A rated input?

The unit incorporates rigid DC bus stabilization and protective chopper logic, preventing transient overcurrent faults, thus preserving operational continuity at 400A rated input conditions.

What insulation monitoring does Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW motor incorporate for high-frequency inverter switching?

Insulation monitoring ensures dielectric integrity by evaluating leakage impedance, safeguarding motor windings during rapid PWM inverter switching within 50–60Hz base frequency.

What control-loop bandwidths are achievable by Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW motor drive?

The closed-loop bandwidth is tailored for high-frequency torque response, balancing resolver latency and PWM switching, ensuring smooth servo operation.

How does Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW motor system mitigate bus voltage spikes during braking?

It activates the chopper switch, diverting surge voltages into external bleeder resistors, thereby stabilizing the DC link and protecting inverter semiconductors.

Does Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW motor support dual-feedback redundancy?

Yes, resolver and digital encoder coexist as redundant feedbacks, ensuring uninterrupted closed-loop operation if one channel experiences data corruption.

Common Misspellings

DKR041W400EBE7301FW

DKR04 1 W400E BE73 01 FW

dkr04.1-w400e-be73-01-fw

DKR4.1-W400E-BE73-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR04.1-W400E-BE73-01-FW from the DKR series is a servo drive. It uses SERCOS command interface and air-cooling with a built-in blower. This model finds use in CNC machining centers, robotics automation and PLC domains ensuring controlled torque delivery with consistent reliability.