PSI6300.320-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6300.320-W1 is a medium frequency inverter from the PSI Frequency Inverters series with a water-cooled design and an IP20 protection rating. It operates on mains voltage of 400 to 480 VAC at a frequency of 50 or 60 Hz, and has an integrated power supply output of 24 VDC at up to 2 Amps. The unit weighs approximately 25 kilograms and is suitable for operation in temperatures from 10 to 55 degrees Celsius.
Internal Product Review
The PSI6300.320-W1 is a medium frequency inverter with water-cooled thermal management. Operation on 400 to 480 VAC and 50 or 60 Hz supports flexible integration into established industrial power systems. IP20 protection makes the PSI6300.320-W1 a strong choice for controlled cabinet installations.
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Product Description:
Bosch Rexroth Indramat manufactures the PSI6300.320-W1, a member of the PSI Frequency Inverters series. This medium-frequency inverter converts fixed three-phase utility power into a regulated high-frequency output, enabling induction heating systems, high-speed spindle drives, and similar automation tasks to match process demands without mechanical gear changes. By supplying variable voltage and frequency through electronic switching, the unit helps controllers achieve precise thermal or rotational profiles while limiting energy loss and wear in production cells.
Its thermal design relies on a water-cooled heat exchanger, so internal components stay within operating limits even when the inverter is installed in a sealed cabinet. The inverter accepts a three-phase mains supply of 400–480 VAC and operates at 50 or 60 Hz, making it compatible with common industrial power systems. The electronics have an IP20 protection rating, so the device must be mounted inside an enclosure that provides greater protection when required. An integrated auxiliary supply provides 24 VDC for sensors and contactors, reducing the need for separate power supplies. Climatic category 3K3 indicates tolerance to moderate humidity and other indoor industrial conditions. The INTERBUS timer interface allows distributed controllers to coordinate inverter actions with connected field devices.
The auxiliary rail can deliver up to 2 A, providing sufficient current for typical relay coils and encoder power. During maximum demand, the cooling circuit must dissipate 420 W, which should be considered when sizing water lines and heat exchangers. Continuous operation is permitted from +10 to +55 °C, while storage or transportation is permitted from -25 °C to +70 °C without damage. The cooling system must maintain adequate water flow throughout operation to prevent excessive internal temperatures. With a mass of 25 kg, the inverter can be secured on slide rails or swing frames, allowing convenient access inside multi-axis power cabinets.
