PSI65C0.760-W1 Bosch Rexroth Indramat
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MPN: R911336200
The Bosch Rexroth Indramat PSI65C0.760-W1 is a medium frequency inverter in the PSI Frequency Inverters series. It features a maximum output current of 2400 Amps, operates with a control supply of 24 V DC, and supports a mains voltage range of 400 to 480 VAC. This inverter is water cooled, with a maximum cooling water flow of 10 liters per minute and a cabinet loss at maximum power of 850 Watts.
Internal Product Review
The PSI65C0.760-W1 is a well-engineered medium frequency inverter built for demanding power conversion on 400 - 480 VAC mains. Water-cooled construction with 10 l/min cooling water flow supports consistent thermal management in continuous-duty service. A 660 A nominal system current and 2400 A max output current make this unit a strong choice for high-current industrial applications.
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Product Description:
The PSI65C0.760-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat and supplied under the PSI Frequency Inverters series. It converts fixed-frequency three-phase mains power into a regulated medium-frequency output used to drive induction heating coils, forging presses, or other processes that demand tightly controlled high currents. By modulating power through its IGBT stack, the inverter delivers precise energy dosing, while the integrated control platform coordinates timing and protection functions inside automated production cells.
The logic section is powered by a control supply of 24 V DC, while the power stage accepts utility supplies between 400 and 480 VAC. At full load, the converter can supply a maximum output current of 2400 A, and its nominal system current is 660 A for continuous duty. The switching devices operate at a clock frequency of 1 kHz, balancing dynamic response with acceptable switching losses. Thermal management relies on a water-cooled cold plate; to keep junction temperatures below their limits, the installation must provide a continuous coolant flow of 10 L/min. Basic cabinet power loss is 100 W during standby, and it rises to 850 W when the drive operates at maximum electrical power. Under extreme transients, the total cooling loss can reach 4.4 kW, so an auxiliary chiller may be required. The inverter also supports a pressure output loop that supplies up to 20 mA for external transducers, and its timer functions are synchronized over Ethernet.
For reliable operation, the water inlet temperature must remain below 30 °C, and the enclosure carries an IP20 protection rating suitable for mounting inside a closed control cabinet. The internal memory can store up to 256 user programs, enabling recipe selection without an external PLC. Surge events on the DC link are limited by an MOV network, and overcurrent events up to 120 kA on the PSG 3100 secondary circuit are handled by coordinated semiconductor fusing. The water connection has an M16 × 1.5 thread for integration with standard hydraulic fittings.
