PSI62C0.725-W1 Bosch Rexroth Indramat
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MPN: R911337840
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The PSI62C0.725-W1 is a medium frequency inverter made by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. It features water cooling, IP20 protection, and supports a mains voltage of 400 to 480 VAC at 50 or 60 Hz. The unit weighs approximately 25 kilograms and its integrated power supply provides a maximum output current of 2 A at 24 VDC.
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Product Description:
The PSI62C0.725-W1 is a medium-frequency inverter produced by Bosch Rexroth Indramat for the PSI Frequency Inverters series. Designed for industrial automation, it converts fixed three-phase utility power into a modulated output suitable for induction heating generators, high-speed spindle drives, or other equipment that requires adjustable medium-frequency energy. By supplying precisely shaped voltage and current, the unit enables accurate process control and reduces mechanical stress compared with mechanical speed regulation. It also integrates with plant control architectures that require scalable electronic control and coordinated operation with connected equipment.
The power stage accepts three-phase feeds ranging from 400 to 480 VAC and supports supply frequencies of 50 or 60 Hz, allowing the same model to operate on common industrial power grids. An onboard auxiliary converter provides a steady 24 VDC rail rated at 2 A, giving drives, contactors, and feedback transducers a dedicated low-voltage source. Commutation sequences can be synchronized over an Ethernet connection, eliminating the need for separate hardware timers and simplifying access to diagnostic data. The enclosure has an IP20 protection rating, which prevents accidental contact with live parts but requires installation inside a suitable control panel to protect the inverter from dust and moisture.
Semiconductor heat is dissipated through a water-cooled baseplate that transfers thermal energy away from the cabinet and limits heat loss to 420 W at full output. The unit is rated for climatic category 3K3, supporting operation in control rooms with moderate humidity and limited airborne contaminants. It can operate continuously from +10 °C to +55 °C and can be stored from -25 °C to +70 °C without damage to its insulation or electrolytic components. The inverter weighs 25 kg, allowing it to be mounted with suitable rack hardware while keeping the structural load manageable. Adequate coolant flow, panel protection, and mounting support are necessary to maintain stable operation throughout the permitted temperature range.
