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R911201285 (RD52.1-4N-400-R-MV-FW)

RD 500 Drive Controllers

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The Bosch Rexroth drive converter MPN R911201285 (RD52.1-4N-400-R-MV-FW) is designed for use with AC synchronous and induction motors in industrial automation, such as chemical technology, conveyor systems, and machine tooling. It provides a rated power output of 400 kW with a nominal connecting voltage of 3 x AC 380-480 V and supports a current load of up to 540 A across a frequency range of 0 to 250 Hz. The unit employs liquid cooling via an integrated internal pump and is housed in an IP 20 enclosure, necessitating installation inside a control cabinet offering a higher level of ingress protection. The device weighs 312 kg and is intended for operation within a temperature range of 0 to +40°C. This converter is supplied without a built-in brake chopper.

Technical Specifications

Rated Power
400 kW

Rated Current
540 A

Frequency Range
0 to 250 Hz

Cooling Method
Internal liquid circulation

Motor Suitability
AC synchronous and induction motors

Housing Protection
IP 20

Installation
Mounted in a control cabinet of higher IP rating

Weight
312 kg

Ambient Operating Temperature
0 to +40 degree Celsius

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1-year-warranty
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