PSI64C0.730-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.730-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It is water cooled with a maximum cooling loss of 420 W, has a degree of protection of IP20, and operates at mains voltages between 400 and 480 VAC with a frequency of 50 or 60 Hz. The integrated power supply provides up to 2 A at 24 VDC and the unit weighs approximately 25 kg.
Internal Product Review
The PSI64C0.730-W1 is a medium frequency inverter with water-cooled operation that suits heat-sensitive cabinet installations. Input support for 400 to 480 VAC and 50/60 Hz makes commissioning straightforward across common industrial power systems. An integrated 24 VDC power supply rated at up to 2 A adds practical control-side support, a strong advantage for stable inverter performance.
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Product Description:
The PSI64C0.730-W1 is a medium-frequency inverter from Bosch Rexroth Indramat, supplied within the PSI Frequency Inverters series. It converts fixed utility power into adjustable medium-frequency output for spindle drives, induction heaters, and other automation equipment that requires programmable frequency and voltage. The built-in auxiliary supply and timing circuitry reduce the number of external components required in the control cabinet, making the inverter suitable for integration into new and existing machine tools.
A three-phase mains supply between 400 and 480 VAC at 50 or 60 Hz is rectified and modulated by the power stage. Heat generated by the IGBTs is removed through a water-cooled plate, which keeps internal temperatures low without adding heat to the cabinet air. The enclosure carries an IP20 rating, so it must be mounted inside a protected electrical cabinet. An integrated auxiliary supply delivers 24 VDC at up to 2 A, supporting contactors, sensors, and the inverter’s Ethernet timer module. These electrical and thermal limits assist with upstream circuit-breaker selection and accommodate common European and North American industrial power systems.
Maximum switching dissipation is 420 W, and this value can be used to size the facility water loop and heat exchanger. Reliable operation is permitted at ambient temperatures from +10 to +55 °C, while storage and transportation are permitted between -25 and +70 °C. The design conforms to climatic category 3K3 under EN 60721-3-3, indicating resistance to moderate humidity and nonconductive dust. The inverter has an approximate installation mass of 25 kg, so appropriate lifting equipment should be used when positioning it in a cabinet. Its mounting holes follow the standard PSI backplane pattern, allowing the unit to be secured to a compatible mounting surface without a custom adapter.
