The Bosch Rexroth Indramat RD42.1-4R-026-L power supply is specifically designed for use with the REFUdrive 500 series inverters, boasting a nominal power rating of 26 kilowatts, and needing a main connecting voltage range of 380 to 480 Volts AC (three-phase). The supply doesn't have a brake chopper but suggests a 63 Amp fuse rating. It can handle a DC link voltage of 530-640 Volts DC with 10% variation and delivers peak DC current of 75 Amps for 60 seconds. The rated output varies between 26-32 kilowatts based on input ranging from 400 to 480 volts AC, with short-period peak outputs rated between 40-48 kilowatts. It requires a minimum airflow of 0.08 m3/s for forced air cooling and adheres to DIN IEC 721-3-3 environmental class 3K3. With a radio interference suppression level of A1 and a size class D, it is made to meet diverse industrial power needs. The housing protection degree is IP20, as per EN 60529.
