PSI63C0.630-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.630-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It features a water cooled design, operates on a mains voltage of 400 to 480 VAC at either 50 or 60 Hz, and provides an integrated power supply output of 24 VDC at a maximum 2 Amps. With an IP20 degree of protection, this inverter has a maximum cooling loss of 420 Watts and weighs approximately 25 kilograms.
Internal Product Review
The PSI63C0.630-W1 is a medium frequency inverter that fits 400 to 480 VAC mains systems. Water-cooled construction and IP20 protection suit controlled industrial cabinets with sustained thermal demands. An integrated 24 VDC power supply with up to 2 A output adds useful control support and completes a very capable inverter package.
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Product Description:
The PSI63C0.630-W1 belongs to the PSI Frequency Inverters series produced by Bosch Rexroth Indramat. Classified by the manufacturer as a medium-frequency inverter, it converts three-phase supply power into the controlled output required for induction heating, hardening, or similar automation processes where high oscillation rates are needed. The unit fits cabinets that accommodate water connections for its liquid-cooling circuit and is intended for environments where cabinet airflow is limited or contaminated.
This inverter connects to mains rated at 400–480 VAC and accepts supply frequencies of 50 or 60 Hz, making it compatible with common industrial power systems worldwide. Heat generated by the IGBT stack is removed through a water-cooled plate, preventing hot-spot formation and stabilizing semiconductor junction temperatures. The housing carries an IP20 degree of protection, so it must be installed inside an electrical enclosure but still guards against accidental contact with live parts. The cooling system must dissipate up to 420 W of thermal loss, a value needed for chiller sizing. Control integration is handled through a DeviceNet timer interface. The electronic assembly is suitable for the 3K3 climatic category outlined in EN 60721-3-3, supporting operation in production rooms with moderate dust and humidity.
An internal auxiliary supply provides 24 VDC with a maximum current of 2 A. This rail powers contactors, sensors, and the DeviceNet node without requiring an external supply. Continuous service is supported within an ambient temperature range of +10 to +55 °C. The inverter can be stored or transported between -25 and +70 °C without damage to its electrolytic capacitors or sealing gaskets. The assembly weighs 25 kg, a value that must be considered when selecting panel supports and lifting equipment. Its water connections should remain accessible within the enclosure so that the cooling circuit can be inspected and maintained without obstructing adjacent drive electronics.
