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R911200731 (RD51.1-4N-005-L-DF-FW)

RD 500 Drive Controllers

Rated 4.6 stars (8 total reviews)

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The Bosch Rexroth R911200731 (RD51.1-4N-005-L-DF-FW) is an industrial drive converter designed for three-phase 5 kW motors, supporting AC 380 to 480 V (±10%) input. The unit features a speed control ratio of 1:20, frequency precision of 0.01%, and 2% speed accuracy. Construction details include aluminum-Elko DC link capacitors, line filters, and insulated cables for noise reduction. The converter contains a PROFIBUS-DP interface, supports external 24 V standby power, and uses U/f curve control. It is rated for operation in 0-40°C ambient temperature and 85-90% humidity, with an IP20 protection class. Forced air cooling is implemented for units ≥110 kW, though this unit has 5 kW rated output. A spacing of 100 mm above and below the unit is recommended. Factory-assigned firmware is included; no built-in brake chopper is present.

Technical Specifications

Speed Control Ratio
1:20

Speed Accuracy
2%

Frequency Precision
0.01%

Operator Panel
Detachable

Voltage Adjustment
Adjusted with Frequency

Noise Reduction
Line Filters and Insulated Cables

Operating Temperature
0 to +40 degrees Celsius

DC Link Capacitors
Aluminum-Elko

Capacitor Storage Time (No Voltage)
Up to 2 years at +40 degrees Celsius

Cooling System
Blower Unit

Communication Interface
PROFIBUS-DP

Electric Motor Compatibility
Three-phase 5.5 kW

Peak Current
26 A for 0.5 seconds

Protection Rating
IP20

Optimal Humidity
85-90%

Weight
15 kg

Space Requirement
100 mm at Top and Bottom

Global Shipping
Yes

Common Misspellings

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the RD51.1-4N-005-L-DF-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.