PSI63C0.730-L2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.730-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates on a 480 to 690 VAC main voltage, supports 50 or 60 Hz, and has air cooling with a cooling loss of 360 watts. The device features IP20 protection, a 24 VDC integrated power supply with a maximum 2 ampere output, and weighs approximately 21 kilograms.
Internal Product Review
The PSI63C0.730-L2 is a well-engineered medium frequency inverter with air-cooled thermal management. Operation on 480 - 690 VAC at 50 or 60 Hz supports straightforward integration into higher-voltage industrial drive systems. IP20 protection and a 24 VDC integrated power supply give the inverter a practical control-platform edge for enclosed automation panels.
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Product Description:
The PSI63C0.730-L2 is a medium-frequency inverter produced by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It conditions the incoming three-phase mains power and delivers a controlled medium-frequency output that can drive induction heating coils, melting furnaces, or other loads requiring precise power regulation in automated lines. The unit combines power electronics, gating control, and an auxiliary power supply in a single housing sized for standard control cabinets. This arrangement allows machine builders to integrate energy conversion without extensive additional wiring or separate control-power components.
Connection to the plant grid is flexible because the input section accepts three-phase voltages from 480 to 690 VAC. The input supports line frequencies of 50 or 60 Hz, accommodating the utility frequencies commonly used in industrial facilities. The housing has an IP20 rating, protecting internal components against contact with fingers and solid objects larger than 12.5 mm while remaining suitable for installation inside a control cabinet. Thermal management relies on an air-cooled ducted fan system that moves heat away from the power electronics. The unit can dissipate up to 360 W into the control-cabinet airflow, so the enclosure must provide adequate ventilation. A built-in Ethernet timer coordinates process steps and dwell periods without requiring external timing relays. The unit is suitable for operating conditions covered by climatic category 3K3 under EN 60721-3-3.
An integrated power-supply module delivers 24 VDC control power with a maximum current of 2 A, eliminating the need for a separate DIN-rail power supply. Rated operation is permitted at ambient temperatures from +10 to +55 °C, allowing use in temperature-controlled industrial cabinets. During transportation or storage, the permissible temperature range extends from −25 to +70 °C. The steel chassis weighs 21 kg, providing a stable housing for the power and control components. Its cabinet mounting location should provide sufficient structural support for this weight and enough clearance for cooling airflow. The integrated control-power source can support compatible auxiliary circuits while the Ethernet timer manages cycle-based process timing.
