PSI64C0.733-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.733-W1 is a medium frequency inverter weighing approximately 25 kilograms and is part of the PSI Frequency Inverters series. It features a water-cooled design, operates within a voltage range of 400 to 480 VAC at 50 or 60 Hz, and provides IP20 protection. The integrated power supply unit outputs up to 2 A at 24 VDC and the device is rated for operation in ambient temperatures from 10 to 55 degrees Celsius.
Internal Product Review
The PSI64C0.733-W1 is a Bosch Rexroth Indramat medium frequency inverter designed for precise industrial power conversion. Water-cooled operation and IP20 protection support clean cabinet integration and stable thermal performance. Compatibility with 400 to 480 VAC mains and 50 or 60 Hz input makes this inverter a versatile and well-engineered drive solution.
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Product Description:
The PSI64C0.733-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. Intended for industrial automation, the unit converts three-phase utility power into a regulated medium-frequency supply that can drive induction heating systems or other process equipment requiring precise energy control. Its enclosure is sized for cabinet installation, and the built-in Ethernet timer interface allows supervisory controllers to schedule output without separate timing hardware. This integrated control arrangement also reduces the number of external components needed to coordinate timed production processes.
Heat is removed through a water-cooled circuit that carries waste energy to an external heat exchanger, enabling continuous operation in sealed cabinets. The housing meets the IP20 ingress protection rating, preventing accidental contact with live components while allowing internal ventilation air to escape. Power terminals accept a mains range of 400–480 VAC, and the inverter synchronizes automatically with 50 or 60 Hz plant networks, eliminating the need for frequency-matching transformers. An integrated auxiliary supply provides 24 VDC control power with a maximum current of 2 A, allowing sensors, relays, and logic boards to be powered directly by the drive. The 3K3 classification under EN 60721-3-3 indicates suitability for production areas that experience moderate temperature changes and low levels of airborne contamination.
The liquid circuit is sized so that heat dissipation does not exceed 420 W, simplifying chiller selection and supporting predictable coolant flow. Reliable operation is maintained at ambient temperatures from +10 to +55 °C, while storage between -25 °C and +70 °C permits transport or spare-parts storage without climate-controlled facilities. The inverter has a mass of 25 kg, allowing it to be positioned in a suitable industrial cabinet without heavy lifting equipment. Its cabinet-oriented enclosure and liquid-cooling connections support installation near other automation components while keeping process heat away from sensitive control electronics.
