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R911200878 (RD52.1-4N-075-D-NN-FW)

RD 500 Drive Controllers

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The R911200878 (RD52.1-4N-075-D-NN-FW) is a three-phase drive controller engineered for industrial motor control, supporting a rated power output of 75 kW. It operates with a nominal input voltage of 3 x AC 380-480 V and utilizes a plug-through cooling system. The controller tolerates short-term overloads up to 200% for 0.5 seconds and 170% for one second. It lacks an integrated brake chopper and requires firmware to be specified separately. The device features a radio interference suppression filter, has an IP20 ingress protection rating, a minimum airflow requirement of 0.4 m³/s, and discharges 2.3 kW of heat during typical operation. Cabinet mounting is supported.

Technical Specifications

Type
Three-phase Drive Controller

Rated Output
75 kilowatts

AC Input
Three-phase 380 to 480 Volts AC

Brake Chopper
Not Included

Additional Functions
Not Supported

Firmware
Must be ordered separately

Technical Specifications
Varies with pulse frequency

Rated Motor Output at 4kHz
75 kilowatts

Rated Current Output at 4kHz
135 Amps

Peak Current Output for 1 sec at 4kHz
230 Amps

Rated Output at 4kHz
89 kVA

Rated Motor Output at 8kHz
55 kilowatts

Rated Current Output at 8kHz
99 Amps

Peak Current Output for 1 sec at 8kHz
168 Amps

Rated Output at 8kHz
65 kVA

Cooler
PlugThrough Cooler

Weight
49 kilograms

Minimum Air Flow
0.4 cubic meters per second

Heat Dissipation
2.3 kilowatts

Radio Interference Suppression Filter
Included

Protection Category
IP 20

Mounting
Cabinet Mountable

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 RD52.1-4N-075-D-NN-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.