PSI62C0.787-W1 Bosch Rexroth Indramat
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MPN: R911174274
The Bosch Rexroth Indramat PSI62C0.787-W1 is a medium frequency inverter from the PSI Frequency Inverters series, featuring water cooling and a degree of protection rated at IP20. It has a maximum cooling loss of 420 watts, operates at mains voltages from 400 to 480 VAC with a frequency of 50 or 60 Hz, and weighs approximately 25 kilograms. The integrated power supply unit delivers a maximum output current of 2 amps at 24 VDC.
Internal Product Review
The PSI62C0.787-W1 is a medium frequency inverter with water-cooled thermal management, making the design especially appealing for heat-sensitive industrial installations. Operation on 400 to 480 VAC at 50 or 60 Hz makes the unit a strong choice for dependable integration into established power systems.
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Product Description:
The PSI62C0.787-W1 belongs to the PSI Frequency Inverters series from Bosch Rexroth Indramat. Classified as a medium-frequency inverter, it converts plant mains power into a regulated, higher-frequency output that drives induction heating coils, spindle motors, or other loads requiring controlled AC above line frequency. Within an automation cell, it serves as the energy interface between the three-phase supply and connected motion or process equipment. An internal timer coordinates switching cycles and communicates over an Ethernet link, allowing the inverter to exchange timing data with the control system.
The inverter accepts a three-phase input of 400–480 VAC at 50 or 60 Hz, so it connects directly to standard industrial power systems. An internal auxiliary supply delivers 24 VDC at up to 2 A for sensors, relays, or fieldbus electronics, eliminating the need for a separate control transformer. Thermal management is handled by a water-cooled heat sink circuit that removes up to 420 W of losses, allowing continuous operation without thermal derating under the stated operating conditions. The design fulfills climatic category 3K3 of EN 60721-3-3, confirming compatibility with production areas that experience moderate temperature changes and noncondensing humidity.
The enclosure carries a protection rating of IP20, which protects against accidental contact with internal components but requires cabinet installation for protection from dust and moisture. With a mass of 25 kg, the unit can be supported by suitable panel brackets. Reliable performance is maintained within an operating temperature range of +10 °C to +55 °C. The electronics tolerate storage or transit temperatures from -25 °C to +70 °C when the cooling circuit is drained. Adequate cabinet clearance must be provided for power wiring, control connections, and cooling lines, while the mounting surface must support the inverter securely during operation.
