PSI63C0.780-L2 Bosch Rexroth Indramat
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MPN: R911173950
The Bosch Rexroth Indramat PSI63C0.780-L2 is a medium frequency inverter from the PSI Frequency Inverters series, featuring air cooling and an IP20 protection rating. It has a maximum primary current of 800 A and supports a mains voltage range of 480 to 690 VAC. The inverter weighs approximately 21 kilograms and comes with an integrated 24 VDC power supply outputting up to 2 A.
Internal Product Review
The PSI63C0.780-L2 is a Bosch Rexroth Indramat medium frequency inverter with 480-690 VAC mains voltage and air-cooled operation. Ethernet fieldbus support and a TriCore CPU give the drive fast integration and consistent command handling in automated systems. A 1 kHz inverter output frequency makes the assembly especially well suited for precise medium-frequency process control.
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Product Description:
The PSI63C0.780-L2 medium-frequency inverter is built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It converts high-voltage factory mains into a regulated medium-frequency output that powers induction heaters, press welders, and similar automated loads. With an integrated power stage and logic section, the unit manages energy transfer between the plant supply and the connected machine. Its Ethernet interface links directly to cell PLCs, allowing parameter changes and diagnostic feedback without additional gateways.
The input section accepts a three-phase supply of 480 to 690 VAC at 50 or 60 Hz, allowing use with common industrial power systems. A TriCore CPU handles pulse-width modulation generation and communication tasks, allowing frequency adjustments to occur in real time. The inverter generates a selectable output of up to 1 kHz, supporting the processing of copper, aluminum, or steel workpieces in heating applications. The IP20 enclosure provides protection against accidental finger contact when the inverter is installed inside a cabinet. Forced-air cooling helps keep semiconductor temperatures within their operating limits. The integrated 24 VDC supply delivers 2 A for sensors and contactors, eliminating the need for an external power module and reducing the required panel space.
The line side is rated for 110 A, while the transformer secondary can deliver impulse currents of up to 36 kA to the workpiece. The unit dissipates 360 W into the cabinet, and an additional 100 W of base losses should be included in cooling calculations. The power block accepts conductors up to 50 mm², with a minimum conductor cross-section of 35 mm². The maximum primary current is 800 A. The permitted operating temperature range is +10 to +55 °C under climatic category 3K3, while the storage temperature range is -25 °C to +70 °C. At approximately 21 kg, the inverter requires cabinet supports suitable for its weight and installation position.
