PSI64C0.732-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.732-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It is water cooled, has a weight of approximately 25 kilograms, and operates with a main voltage of 400 to 480 VAC at 50 or 60 Hz. The integrated power supply unit delivers up to 2 Amps at 24 VDC and holds an IP20 degree of protection.
Internal Product Review
The PSI64C0.732-W1 is a Bosch Rexroth Indramat medium frequency inverter built for efficient industrial power conversion. Water-cooled construction and 400 - 480 VAC input capability support stable performance in demanding machine installations. An integrated 24 VDC power supply rated to 2 A adds useful control power, making the unit a strong choice for streamlined inverter applications.
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Product Description:
The PSI64C0.732-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It serves as the power conversion stage in automated brazing, induction heating, and similar processes, taking three-phase utility power and producing a controllable medium-frequency output that matches the thermal profile required by the application. Integrating this inverter into a production line provides electronic control over heat input without relying on mechanical transformers or variable tap arrangements.
The input section accepts a mains voltage range of 400–480 VAC at 50 or 60 Hz, allowing installation on most industrial grids without external conversion. Process heat is stabilized by a water-cooled circuit that transfers the power-stage thermal load to a plant chiller, while the design limits heat dissipation into the cabinet air to 420 W. A built-in auxiliary supply delivers 24 VDC for control electronics, contactors, and sensors, eliminating the need for a separate power module. The IP20 protection rating requires the unit to be mounted inside an enclosure while allowing access for service. Its climatic classification is 3K3 under EN 60721-3-3, indicating tolerance for moderate industrial dust and humidity when adequate ventilation is provided.
The integrated supply can provide up to 2 A, which is sufficient to operate local I/O and an Ethernet-based timer that coordinates heat cycles with external PLC commands. Continuous operation is permitted at ambient temperatures from +10 to +55 °C. When the inverter is not operating, it may be stored at temperatures from -25 to +70 °C without deterioration of its electrolytic capacitors or sealing gaskets. All components are mounted on a water-cooled baseplate and housed in a steel frame with a mass of 25 kg. The rigid frame helps limit vibration and supports secure cabinet mounting in industrial installations.
