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R911200876 (RD51.1-4B-090-L-V1-FW)

RD 500 Drive Controllers

Rated 4.5 stars (11 total reviews)

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The R911200876 (RD51.1-4B-090-L-V1-FW) is a converter drive controller rated at 90 kW for three-phase AC input between 380 and 480 V (±10%), with an integrated brake chopper supporting continuous power up to 55 kW and peak power of 260 kW. The unit, classified under size E and weighing 74 kg, utilizes forced air cooling and requires an airflow of 0.4 m³/s. It is designed for operation within 0–40°C, suitable for environments compliant with 3K3 class and installation heights up to 1000 m; derating by 17% is required above 2000 m. The device includes external 24 V standby power functionality and must be installed in dust-free, non-corrosive environments with humidity below 90%.

Technical Specifications

Drive Type
Converter Based

Rated Output
90 kilowatts

Brake Chopper
Included

Input Rating
380-480 Volts AC (Three Phase)

Brake Chopper Continuous Power
55 kilowatts

Brake Chopper Peak Power
260 kilowatts (1 second)

Minimum Resistance
2.5 Ohms

Size Class
E

Weight
74 kilograms

Cooling Method
Forced air cooling

Required Air Flow for Cooling
0.4 cubic meters per second

Environmental Class
3K3

Permitted Operating Temperature
0-40 degrees Celsius

Installation Site Altitude
1000 meters

Output Derates at Altitude
17% at 2000 meters

Additional Function
24 V external standby power

Firmware
Ordered Separately

Shipping
Global

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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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RD51.1-4B-090-L-V1-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.