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R911200925 (RD52.1-4B-018-L-LV-FW)

RD 500 Drive Controllers

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The Bosch MPN R911200925 (RD52.1-4B-018-L-LV-FW) is a converter unit with an integrated brake chopper configured for three-phase AC input at 380–480 V. The device supports a rated motor output of 18.5 kW and is used for precise control and monitoring of electric motors in industrial environments. Rated output is 18.5 kW at 4 kHz and 15 kW at 8 kHz switching frequency, drawing 35 A and 30 A respectively. It employs forced air cooling, features IP20 ingress protection, and operates reliably within +0 to +40 °C, at altitudes up to 1000 meters, non-condensing humidity below 90%, and requires a dust-free environment. The unit mass is 11 kg.

Technical Specifications

Type
Drive Converter

Input
Three-phase 380 to 480 Volts AC

Motor Output
18.5 kilowatts at 4 kHz, 15 kilowatts at 8 kHz

Rated Current
35 Amps at 4 kHz, 30 Amps at 8 kHz

Peak Current Output for 1 Second
60 Amps at 4 kHz, 51 Amps at 8 kHz

Ridden Apparent Power Output
23 kVA at 4 kHz, 20 kVA at 8 kHz

Cooling Method
Forced Air Cooling

Air Flow Requirement
0.05 cubic meters per second

Protection Rating
IP20

Mounting Method
Cabinet Mounting Recommended

Weight
11 Kilograms

Global Shipping
Yes

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

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Indramat USA 1 Year Warranty

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We offer a repair service for the RD52.1-4B-018-L-LV-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.