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

RD 500 Drive Controllers

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1 Year Warranty Included
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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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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RD52.1-4B-400-R-V1-FW.
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