PSI6300.176-W1 Bosch Rexroth Indramat
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MPN: R911335714
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The Bosch Rexroth Indramat PSI6300.176-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It supports mains voltages of 400 to 480 VAC at 50 or 60 Hz and features a water cooled design with an IP20 degree of protection. The inverter has a maximum cooling loss of 420 W, includes a 24 VDC integrated power supply with up to 2 A output, and weighs approximately 25 kilograms.
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Product Description:
The PSI6300.176-W1 belongs to the PSI Frequency Inverters series produced by Bosch Rexroth Indramat. It is classified as a medium-frequency inverter and is installed between a three-phase mains supply and an induction load, delivering controlled medium-frequency power for tooling, heating, or spindle drives in automated equipment. By modulating the output frequency and voltage, the unit allows its electrical output to be matched to process requirements while retaining the footprint and interface conventions used across the PSI platform. This arrangement supports integration into automated machinery that requires controlled electrical power for repeatable process operation.
This inverter employs a water-cooled heat exchanger that transfers up to 420 W of internal losses to the coolant circuit, keeping semiconductor temperatures within safe limits during continuous operation. The housing carries a protection rating of IP20, so it must be mounted in a cabinet that shields it from dust and liquids. The power section accepts a three-phase input of 400–480 VAC at either 50 or 60 Hz, allowing use on common industrial power systems without an autotransformer. An integrated 24 V timer interface synchronizes startup with external control logic. Climatic class 3K3 under EN 60721-3-3 indicates suitability for production areas with moderate humidity and noncondensing conditions. Adequate cabinet clearance must be maintained so wiring, coolant connections, and surrounding components do not restrict heat removal.
The control electronics are supplied by an internal auxiliary source that delivers 24 VDC at up to 2 A, removing the need for an additional power supply inside the cabinet. The rated operating ambient temperature spans +10 to +55 °C, while the permitted storage temperature extends from -25 to +70 °C. These temperature limits should be observed during operation and when the inverter is kept in inventory. The unit has a total mass of 25 kg, which must be considered when selecting mounting supports and handling methods. Proper coolant flow is required to remove heat from the power electronics, while cabinet ventilation helps control the temperature around the IP20 housing. The integrated auxiliary source can also simplify the internal arrangement of compatible control circuits without changing the inverter’s main three-phase power connection.
