PSI63C0.232-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.232-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It operates at mains voltages of 400 to 480 VAC with a frequency of 50 or 60 Hz and has air cooling with a maximum cooling loss of 360 W. The inverter includes an integrated power supply unit with a 24 VDC output at up to 2 A and comes with IP20 protection, weighing approximately 20 kilograms.
Internal Product Review
The PSI63C0.232-L1 is a medium frequency inverter designed for dependable drive integration on 400 - 480 VAC mains. Air-cooled construction and IP20 protection make this unit well suited for controlled industrial enclosures and steady thermal performance. A built-in 24 VDC power supply rated to 2 A adds practical control-side support and stands out as a strong feature of this inverter.
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Product Description:
The PSI63C0.232-L1 is a medium-frequency inverter produced by Bosch Rexroth Indramat within the PSI Frequency Inverters series. Designed for industrial automation, the unit converts three-phase supply energy into a regulated medium-frequency output suitable for induction heating generators, resonant power supplies, or other precision power stages. An integrated auxiliary supply and PROFIBUS fieldbus timing allow the inverter to coordinate with upstream controllers, making it a compact power platform rather than a discrete transformer-rectifier assembly.
The inverter connects directly to line voltages from 400 to 480 VAC, and it accepts grid frequencies of 50 or 60 Hz, allowing installation in facilities with either standard frequency. Its housing has an IP20 protection rating, which shields internal electronics against finger contact while requiring installation in a clean cabinet for protection from splashing liquids. A galvanically isolated supply rail delivers 24 VDC at up to 2 A, powering sensors, relays, and the PROFIBUS interface without an additional power conditioner. Air cooling moves heat through the top and side channels. The inverter meets climatic category 3K3 according to EN 60721-3-3, allowing operation under the humidity and low-level dust conditions associated with this category.
Cooling losses total 360 W, so cabinet ventilation must remove this continuous thermal load to keep semiconductor junction temperatures within acceptable limits. Reliable operation is maintained across an ambient temperature range of +10 to +55 °C, supporting full power delivery at typical industrial temperatures. Storage or transportation is permitted between -25 and +70 °C without degrading the insulation system. At approximately 20 kg, the inverter can be rack-mounted or plate-mounted within a control enclosure. Its mounting options support placement alongside drives, programmable logic controllers, and line reactors while preserving access to the cooling channels and electrical connections.
