PSI63C0.177-W1 Bosch Rexroth Indramat
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MPN: R911333202
The Bosch Rexroth Indramat PSI63C0.177-W1 is a medium frequency inverter that is water cooled and weighs approximately 25 kilograms. It is part of the PSI Frequency Inverters series and operates with a mains voltage of 400 to 480 VAC and a frequency of 50 or 60 Hz. The inverter features an integrated power supply unit with a 24 VDC output voltage and a maximum output current of 2 Amps.
Internal Product Review
The PSI63C0.177-W1 is a medium frequency inverter with water-cooled thermal management. Support for 400 to 480 VAC input and 50/60 Hz operation makes integration straightforward in standard industrial power systems. A built-in 24 VDC power supply rated to 2 A adds practical control-side support and rounds out a very capable inverter package.
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Product Description:
The PSI63C0.177-W1 is a medium-frequency inverter built by Bosch Rexroth Indramat and supplied through the PSI Frequency Inverters series. In automated manufacturing cells, it converts fixed three-phase utility power into a regulated medium-frequency output for resistance welding equipment. By delivering controlled voltage and current to a compatible welding transformer, the unit supports accurate heat application at the weld point, consistent joining performance, and repeatable production cycles. Its regulated output also allows the connected control system to adjust the welding process for different material thicknesses and joint requirements.
The input voltage ranges from 400 to 480 VAC, allowing the inverter to connect to common low-voltage industrial power systems. It operates with either a 50 or 60 Hz line frequency, which supports use with the mains frequencies found in many industrial facilities. Heat generated by the power electronics is removed through a water-cooled plate that transfers thermal energy to an external cooling circuit. The cooling system removes up to 420 W of heat, helping control internal temperatures during operation. An integrated auxiliary supply provides 24 VDC at a maximum of 2 A for control relays, sensors, or the internal 24 V timer circuit, reducing the need for a separate power module.
The enclosure has an IP20 rating, providing protection against finger contact while requiring installation in a suitable cabinet. The permitted operating temperature range is +10 to +55 °C, allowing the inverter to function across typical industrial cabinet conditions when adequate cooling is available. Storage and transportation are permitted from -25 to +70 °C, which accommodates powered-down equipment in a broader temperature range. With a mass of approximately 25 kg, the inverter can be secured to an appropriately rated mounting backplate. The unit belongs to climatic category 3K3 under EN 60721-3-3, indicating suitability for controlled industrial locations with moderate temperature and humidity conditions.
