PSI64C0.758-W1 Bosch Rexroth Indramat
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MPN: R911175061
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The Bosch Rexroth Indramat PSI64C0.758-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a mains voltage of 400 to 480 VAC and a nominal current of 220 Amps, and uses a water cooling method with a minimum water flow of 4 liters per minute. The inverter measures 653 mm in height, 288 mm in width, 280 mm in depth, and weighs 40 kg.
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Product Description:
The PSI64C0.758-W1 medium-frequency inverter is built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. In press hardening, induction heating, or other automated processes that require a stable mid-kilohertz energy source, this unit converts three-phase mains power into controlled high-frequency output for compatible transformers and coils. Its water-cooled design allows the inverter to maintain full load in compact control cabinets while limiting the amount of heat released inside machine enclosures.
The power section accepts a line supply of 400 to 480 VAC and draws a nominal current of 220 A, so upstream breakers and conductors must be sized accordingly. Short bursts during process startup are supported by a maximum primary current of 1600 A, which must be considered when sizing the drive circuit and bus capacitance. Bosch Rexroth recommends a mains cable cross section of 95 mm² to keep conductor temperature within acceptable limits at this current density. Basic cabinet losses amount to 69 W, while losses can rise to 210 W at maximum inverter utilization; these values help determine the required cabinet ventilation capacity. Cooling water enters through an M16 × 1.5 threaded port and removes up to 700 W of heat, enabling continuous operation while the electronics remain below their thermal limit.
The enclosure stands 653 mm high, spans 288 mm in width, and reaches 280 mm in depth, allowing side-by-side mounting with other drive modules. Its total mass is 40 kg, so appropriate lifting equipment should be used to position the unit in an electrical cabinet. In hydraulically isolated circuits, coolant pressure may reach 10 bar, while the system maintains a pressure drop of only 0.6 bar at the required minimum flow rate of 4 L/min. Water temperature must remain below 30 °C to provide adequate heat transfer during operation. An Ethernet-based timer interface coordinates inverter firing patterns with the cell controller, supporting precise synchronization with the automated process.
Frequently Asked Questions about PSI64C0.758-W1:
Q: What mains voltage range is supported by the PSI64C0.758-W1 inverter?
A: The PSI64C0.758-W1 operates with a mains voltage range of 400 to 480 VAC.
Q: What is the cooling method and minimum water flow for the PSI64C0.758-W1?
A: This inverter utilizes a water-cooled system with a minimum required water flow of 4 liters per minute.
Q: What is the maximum primary current rating for the PSI64C0.758-W1?
A: The maximum primary current for the PSI64C0.758-W1 is 1600 A.
Q: What cable cross-section is necessary for installing the PSI64C0.758-W1?
A: A cable cross-section of 95 mm² is required for connecting the PSI64C0.758-W1 inverter.
Q: What is the maximum permissible supply water temperature for the PSI64C0.758-W1?
A: The maximum allowed temperature for supply water is 30 °C.
