PSI64C0.760-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.760-W1 is a medium frequency inverter from the PSI Frequency Inverters series and weighs approximately 25 kilograms. It features water cooling, operates at a mains voltage of 400 to 480 VAC with a frequency of 50 or 60 Hz, and has an IP20 degree of protection. The integrated power supply provides up to 2 amps at 24 VDC output.
Internal Product Review
The PSI64C0.760-W1 is a Bosch Rexroth Indramat medium frequency inverter designed for dependable drive control on 400 - 480 VAC mains. Water-cooled construction and IP20 protection support stable cabinet operation in controlled industrial environments. A 24 VDC integrated power supply rated at 2 A adds practical system support and rounds out a well-engineered inverter.
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Product Description:
The PSI64C0.760-W1 is a medium-frequency inverter built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It converts three-phase utility power into a controlled medium-frequency output that drives induction heating coils, high-speed spindles, or specialized power supplies in automated equipment. By integrating the power stage, control logic, and auxiliary supply in one housing, the inverter simplifies installation in cabinets that also contain motion, safety, and PLC hardware. This integrated arrangement reduces the number of separate components and electrical connections required within the panel.
The power components are water-cooled, so heat is transferred to an external cooling circuit rather than released into the control cabinet. Line terminals accept a mains voltage range of 400–480 VAC, and the input bridge synchronizes with utility grids operating at 50 or 60 Hz without tap changes. Inside the enclosure, a regulated auxiliary bus provides 24 VDC for sensors, relays, and fans. The auxiliary bus supplies a maximum current of 2 A, which establishes the available capacity for connected devices. Control boards are protected by an IP20 housing that prevents accidental contact with live parts but requires installation inside a closed panel. The external water circuit must provide suitable flow and temperature conditions to remove heat from the power electronics during operation.
The inverter supports continuous operation at ambient temperatures from +10 to +55 °C, matching the 3K3 climatic category and allowing placement near process equipment that radiates moderate heat. When water flow and temperature remain within the required limits, total cooling losses stay below 420 W, which provides a basis for sizing heat exchangers and pumps. The unit has a mass of 25 kg, so the cabinet structure and mounting hardware must support its weight under expected operating conditions. Storage is permitted from -25 °C to +70 °C when the inverter is not operating. Ethernet timer capability supports coordinated startup sequences and communication with compatible automation controls. Adequate cabinet clearance should be maintained around electrical connections and cooling lines to prevent stress on conductors, hoses, and fittings.
