PSI65C0.739-W1 Bosch Rexroth Indramat
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MPN: R911175240
The Bosch Rexroth Indramat PSI65C0.739-W1 is a medium frequency inverter from the PSI Frequency Inverters series, designed for water cooled operation and rated for 400 to 480 VAC mains voltage. It has an integrated power supply unit with a maximum output current of 2 Amps at 24 VDC and features IP20 degree of protection. The unit has a weight of approximately 25 kilograms and supports operation within a temperature range of 10 to 55 degrees Celsius.
Internal Product Review
The PSI65C0.739-W1 is a medium frequency inverter with water-cooled thermal management and IP20 protection. Operation on 400 to 480 VAC at 50 or 60 Hz supports dependable integration in industrial power systems. The integrated 24 VDC power supply rated to 2 A adds practical control-side support.
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Product Description:
The PSI65C0.739-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It converts three-phase line power into a controlled medium-frequency output that drives induction heaters, high-speed spindles, and similar loads in automated equipment. Integrated control electronics support communication with sensors, actuators, and upstream control systems. A built-in auxiliary supply provides low-voltage power for connected field devices without requiring additional power hardware. Liquid cooling helps remove heat from the power electronics and supports installation in densely arranged control cabinets where available space and airflow are limited.
The inverter connects to plant mains at 400-480 VAC and operates with a fundamental line frequency of 50/60 Hz. These input characteristics allow the unit to operate on common industrial power networks without external voltage conversion in most installations. An internal switch-mode stage provides a stabilized 24 VDC rail for field devices and auxiliary equipment. The power section is water cooled, with coolant flowing through a brazed plate heat exchanger to carry thermal energy away from internal components. Under full load, the cooling loop must remove up to 420 W of heat. This heat load should be considered when selecting the pump capacity, coolant flow rate, piping, and external radiator for continuous operation.
The housing has an IP20 protection rating, which prevents accidental contact with hazardous internal parts when the inverter is installed inside a suitable control cabinet. Continuous operation is permitted within an ambient temperature range of +10 to +55 °C, consistent with climatic class 3K3 for industrial locations with low vibration. Storage and transportation are permitted from -25 °C to +70 °C when the inverter is not operating. An Ethernet interface handles network communication and allows frequency ramps and operating commands to be synchronized with upstream controllers. The unit weighs approximately 25 kg, providing mechanical stability when it is securely mounted inside a cabinet. Its auxiliary supply delivers up to 2 A, allowing compatible contactors, sensors, or other low-voltage devices to receive power directly from the inverter.
