PSI6100.108-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6100.108-W1 is a medium frequency inverter from the PSI Frequency Inverters series and weighs approximately 25 kilograms. It features water cooling and has an IP20 degree of protection. The device operates with a mains voltage range of 400 to 480 VAC at either 50 or 60 Hz, and includes a 24 VDC integrated power supply unit with a maximum output current of 2 Amps.
Internal Product Review
PSI6100.108-W1 is a medium frequency inverter engineered with water-cooled thermal management. Support for 400 - 480 VAC mains input and 50 or 60 Hz operation makes integration straightforward in established plant power systems. A 24 VDC integrated power supply rated to 2 A adds useful control-side capacity and rounds out a well-executed inverter platform.
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Product Description:
The PSI6100.108-W1 is a medium-frequency inverter built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. Designed as a power conversion module for induction heating and other industrial processes, the unit receives three-phase mains power and delivers a controlled medium-frequency output that allows machine controllers to regulate thermal or motion profiles without mechanical adjustments. Its role in automation is to convert plant-level AC power into regulated medium-frequency energy so tooling coils, transformers, or specialized servo loads receive stable voltage and current during dynamic operating cycles.
The inverter’s input stage accepts a three-phase supply of 400 to 480 VAC, covering common low-voltage networks found in European and North American plants. Internal firing circuits synchronize with a line frequency of 50 or 60 Hz, so line-frequency conversion is not required when the device is used in either region. Because semiconductor switching at medium frequency produces significant heat, the inverter has a water-cooled enclosure. A closed water circuit removes up to 420 W of thermal losses from the power section. Despite the dedicated cooling loop, the cabinet has an IP20 protection rating, indicating that live parts are protected against finger contact but the assembly must be installed inside a control cabinet for protection from dust and liquids.
The auxiliary section contains a regulated supply that provides 24 VDC with a maximum current of 2 A for contactors, sensors, or the specified 24 V timer interface, eliminating the need for an external control transformer. Reliable operation is maintained at ambient temperatures from +10 to +55 °C, while storage and transportation are permitted from -25 to +70 °C. Climatic classification 3K3 under EN 60721-3-3 indicates suitability for sheltered industrial buildings with moderate humidity. The complete assembly weighs 25 kg, which must be considered when sizing mounting rails and water manifold supports.
