PSI6100.333-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6100.333-W1 is a medium frequency inverter from the PSI Frequency Inverters series and features a water-cooled design with IP20 protection. It operates with a mains voltage of 400 to 480 VAC at 50 or 60 Hz and has an integrated power supply unit providing up to 2 Amps at 24 VDC. The unit weighs approximately 25 kilograms and can function in temperatures ranging from 10 to 55 degrees Celsius.
Internal Product Review
The PSI6100.333-W1 is a medium frequency inverter with a water-cooled design that suits continuous industrial duty. IP20 protection and operation on 400 - 480 VAC make cabinet installation and plant power integration especially practical. The integrated 24 VDC power supply rated at 2 A is a strong finishing detail for a very capable inverter package.
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Product Description:
The PSI6100.333-W1 medium-frequency inverter is built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. Designed for induction heating and similar processes, the unit converts plant power into a stable medium-frequency output suitable for power supplies that require precise current regulation. Within an automation line, the inverter provides controlled energy for generators or resonant loads that require rapid power modulation without mechanical switching. This operating method supports processes that rely on fast electrical response and consistent current delivery during production cycles.
The inverter accepts incoming three-phase power from 400 to 480 VAC and operates with utility grids running at 50 or 60 Hz, allowing the same unit to be installed in many industrial regions. Internal control electronics and auxiliary sensors are powered by an integrated 24 VDC supply that delivers up to 2 A, eliminating the need for an external 24 V panel supply. The housing has an IP20 protection rating, so it must be mounted inside a closed electrical cabinet that prevents accidental contact with live parts. Heat generated by the switching devices is removed by a water-cooled heat exchanger. The cooling system channels heat away from the cabinet to help maintain a stable internal air temperature during operation.
The inverter meets the 3K3 climatic class under EN 60721-3-3 and is suited to the moderate, noncondensing indoor conditions found in standard production facilities. During operation, it remains functional from +10 to +55 °C, while the permitted storage and shipping range is -25 to +70 °C. Maximum cooling losses reach 420 W, which helps determine the capacity required for the secondary water circuit that removes waste heat from the IGBT stack. A built-in INTERBUS timer supports communication with compatible PLC networks and helps coordinate inverter activity with automated processes. The unit weighs 25 kg and supports direct panel mounting within a properly designed electrical enclosure.
