PSI63C0.762-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.762-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It features air cooling, an IP20 protection rating, and operates with a mains voltage between 400 and 480 VAC at 50 or 60 Hz. The integrated power supply provides a maximum output current of 2 Amps at 24 VDC, and the unit weighs approximately 20 kilograms.
Internal Product Review
The PSI63C0.762-L1 is a Bosch Rexroth Indramat medium frequency inverter built for dependable industrial drive control. Air-cooled operation and IP20 protection support clean cabinet integration and consistent thermal management. Support for 400 to 480 VAC input with 50 or 60 Hz mains makes the unit a strong fit for standard plant power systems.
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Product Description:
The PSI63C0.762-L1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat for the PSI Frequency Inverters series. The unit converts fixed-frequency utility power into a programmable output for spindle and induction motors used in automated machine tools and material-processing cells. By combining power electronics and drive control in one enclosure, it enables closed-loop speed regulation, stable torque delivery, and rapid acceleration without mechanical gear changes. Its internal logic connects to upstream CNC or PLC controllers, allowing axis speeds to be synchronized with cutting, indexing, or conveying sequences in real time.
The input section operates from 400–480 VAC three-phase lines at 50 or 60 Hz, matching common industrial power supplies. Thermal management is handled by an air-cooled system that removes up to 360 W of heat generated by the IGBTs and snubbers. The housing carries an IP20 rating, protecting users from contact with live parts and preventing the entry of solid objects larger than 12.5 mm when the inverter is installed inside a control cabinet. Environmental classification 3K3 under EN 60721-3-3 indicates suitability for production areas with moderate humidity and low levels of airborne contaminants.
An auxiliary supply built into the control section delivers 24 VDC with a maximum current of 2 A, allowing it to power relays, sensors, and fieldbus nodes without a separate DIN-rail supply. Cycle coordination is supported by a timer that communicates over Ethernet, enabling precise dwell periods or dwell-free sequencing alongside motion commands. Continuous operation is permitted at ambient temperatures from +10 °C to +55 °C, while storage or transportation is permitted from -25 °C to +70 °C. The metal chassis weighs 20 kg, which supports secure panel installation and stable thermal performance during operation.
