PSI63C0.787-L2 Bosch Rexroth Indramat
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MPN: R911337041
The Bosch Rexroth Indramat PSI63C0.787-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates on mains voltages between 480 and 690 VAC with a frequency of 50 or 60 Hz and uses air cooling with a maximum cooling loss of 360 W. The inverter has an IP20 degree of protection and weighs approximately 21 kg.
Internal Product Review
The PSI63C0.787-L2 is a well-engineered medium frequency inverter from Bosch Rexroth Indramat for stable industrial power conversion. Support for 480-690 VAC mains and 50 or 60 Hz input gives the inverter strong integration flexibility across higher-voltage installations. Air-cooled construction and IP20 protection support dependable cabinet operation, making the PSI63C0.787-L2 a strong choice for controlled industrial environments.
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Product Description:
The Bosch Rexroth Indramat PSI63C0.787-L2 belongs to the PSI Frequency Inverters series and is classified by the manufacturer as a medium-frequency inverter. It bridges a plant’s high-voltage supply and the load to deliver controlled medium-frequency power for induction heating systems, resonant spindle drives, or other automation tasks that demand precise electrical modulation. By integrating power conversion with an auxiliary 24 V control rail, the device simplifies cabinet layouts and supports synchronized machine sequences in industrial cells.
The input stage accepts three-phase mains from 480 to 690 VAC at line frequencies of 50 or 60 Hz, so it connects directly to common high-voltage networks without external transformers. An internal power supply provides 24 VDC at up to 2 A, which is sufficient to energize nearby contactors, sensors, or fieldbus interfaces. The enclosure carries a protection rating of IP20, providing touch-safe barriers against fingers and similarly sized objects when the unit is installed inside a switchgear rack. Heat produced by the semiconductor stack is removed by forced air. Maximum cooling losses are 360 W, a value that can be used for cabinet airflow calculations and duct sizing.
The inverter operates reliably from +10 to +55 °C, and it can be stored or transported from -25 to +70 °C without performance drift. Its climatic category is 3K3 under EN 60721-3-3, indicating tolerance for moderate humidity and noncondensing conditions typical of standard production facilities. The unit has a mass of approximately 21 kg, so appropriate lifting aids should be used during mounting. Its air-cooled design eliminates the need for liquid-cooling circuits and their associated piping. An Ethernet-based timer interface allows higher-level controllers to coordinate operating schedules or enable the inverter remotely.
