PSI6300.750-W1 Bosch Rexroth Indramat
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MPN: R911322385
The Bosch Rexroth Indramat PSI6300.750-W1 is a medium frequency inverter from the PSI Frequency Inverters series and weighs approximately 25 kg. This inverter operates with a mains voltage of 400 to 480 VAC and a frequency of 50 or 60 Hz, and features a water-cooled design with IP20 protection. It also includes an integrated power supply unit with a maximum output current of 2 A at 24 VDC.
Internal Product Review
The PSI6300.750-W1 is a medium frequency inverter with water-cooled thermal management. IP20 protection and a 24 VDC integrated power supply support clean cabinet installation and dependable auxiliary power distribution. A 400–480 VAC input range makes this inverter a strong fit for demanding industrial drive systems.
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Product Description:
Bosch Rexroth Indramat manufactures the PSI6300.750-W1 as part of the PSI Frequency Inverters series. The unit is a medium-frequency inverter intended for induction heating coils, brazing stations, and other automated processes that require adjustable high-frequency power derived from standard factory mains. A built-in Ethernet timer interface permits synchronization with upstream PLC commands, allowing energy delivery to match production cycles. By converting line voltage into controlled medium-frequency power, the inverter eliminates the need for mechanical tap changers and improves process consistency. Its controlled output also supports repeatable heating or joining cycles when production timing and delivered energy must remain closely coordinated.
The inverter accepts a three-phase input of 400–480 VAC at line frequencies of 50 or 60 Hz. Thermal management is handled by a water-cooled heat sink, and the hydraulic circuit must dissipate up to 420 W of cooling losses during continuous full-load operation. Control electronics are supplied by an integrated auxiliary source that delivers 24 VDC at up to 2 A. This auxiliary source eliminates the need for a separate panel supply and can power contactors, relays, or fieldbus nodes connected to the inverter. The specified electrical input, auxiliary output, and cooling capacity establish the power and hydraulic connections required in the switchgear enclosure. Adequate coolant flow helps maintain acceptable internal temperatures while the inverter performs repeated medium-frequency power conversion cycles.
The unit meets climatic category 3K3 under EN 60721-3-3, making it suitable for locations with moderate humidity and limited dust. Its enclosure has an IP20 degree of protection, so the inverter must be installed inside a closed electrical cabinet to prevent access to internal components. Reliable operation is permitted at ambient temperatures from +10 °C to +55 °C. Storage and transportation are permitted from -25 °C to +70 °C when the unit is not operating. The assembly weighs 25 kg, which must be considered when selecting cabinet supports and mounting hardware. Sufficient space should also be reserved for the cooling connections, electrical conductors, and airflow around adjacent cabinet equipment.
