PSI64C0.783-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.783-W1 is a medium frequency inverter from the PSI Frequency Inverters series with a water-cooled design and IP20 protection. It operates on a mains voltage of 400 to 480 VAC at 50 or 60 Hz, and features an integrated 24 VDC power supply unit with a maximum output current of 2 Amps. The inverter has a weight of approximately 25 kilograms and functions within an operational temperature range of 10 to 55 degrees Celsius.
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Product Description:
The PSI64C0.783-W1 is a medium-frequency inverter developed by Bosch Rexroth Indramat for the PSI Frequency Inverters series. As a converter, it supplies controlled medium-frequency power to induction heating generators, special machine spindles, and other loads that require variable AC power above the line frequency. By transforming three-phase mains power into a regulated high-frequency output, the unit helps production equipment achieve precise thermal or mechanical profiles while maintaining predictable energy use.
The inverter connects to three-phase networks within a range of 400 to 480 VAC and accepts supply frequencies of 50 or 60 Hz, allowing installation in many industrial power systems without transformers. Internal assemblies are protected by an enclosure with an IP20 rating, which prevents accidental contact with hazardous internal components while permitting cabinet installation. Excess semiconductor heat is removed through a water-cooled plate that must be connected to the plant’s chiller circuit. A separate logic supply is produced on board, and the power module delivers 24 VDC for control electronics and field devices, eliminating the need for an external 24-volt source.
The auxiliary rail can supply a current of up to 2 A, which is sufficient to power sensors, relays, or gateway modules such as the built-in Ethernet timer that coordinates cycle sequencing. Continuous operation is permitted at ambient temperatures from +10 to +55 °C, while storage temperatures can range from -25 to +70 °C without performance loss. When the inverter is fully loaded, the cooling circuit must absorb up to 420 W of dissipated heat. Its climatic category of 3K3 indicates suitability for clean control-cabinet environments with moderate humidity. The housing weighs approximately 25 kg, and its mounting holes align with standard rack or panel fixtures for secure installation.
