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R911203607 (RD52.1-4B-400-R-V1-FW)

RD 500 Drive Controllers

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The Bosch MPN R911203607 (RD52.1-4B-400-R-V1-FW) is a drive system converter with integrated brake chopper, designed for three-phase input voltage in the 380–480 V AC range. This unit delivers 400 kW rated power output under liquid cooling conditions using an internal coolant pump. The device supports stand-by operation by a 24 V auxiliary power supply, allowing control electronics and field bus operation without main line voltage. Stand-by power must be supplied in a floating manner to the X83 terminal to prevent overload. Rated motor output is specified as 400 kW at 4 kHz and 315 kW at 8 kHz pulse frequency. Protection class is IP 20. Firmware is not included.

Technical Specifications

Output Power Rating
400 Kilowatts

Input Rating
380-480 Volts AC

Phase Input
Three-Phase

Cooling System
Liquid Cooling with Internal Pump

Stand-by Power
24 Volts

Stand-by Power Feature
Control Electronics Operation without Line Supply

Rated Motor Output for 4kHz and 8kHz
400 Kilowatts, 315 Kilowatts

Output Frequency Range at 4kHz and 8kHz
0-150 Hertz, 0-250 Hertz

Rated Current for 4kHz and 8kHz
680 Amps, 540 Amps

Rated Output for 4kHz and 8kHz
448 kVA, 355 kVA

Protection Rating
IP 20

Global Shipment
Available

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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

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the RD52.1-4B-400-R-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.