Product Description:

The PSI62C0.760-W1 belongs to the PSI Frequency Inverters series manufactured by Bosch Rexroth Indramat. Classified as a medium-frequency inverter, it converts three-phase electrical energy into a regulated medium-frequency output for automation tasks that require precise current and frequency control. When integrated into a closed control loop, the unit can modulate power delivery accurately in processes where thermal or electromagnetic parameters must remain within tight limits. This operating approach supports controlled power conversion during repetitive industrial cycles and other applications with rapidly changing loads.

The inverter accepts a three-phase input of 400–480 VAC, draws a nominal system current of 220 A, and can supply up to 1200 A on its output bus for high-demand cycles. Its power devices switch at a carrier rate of 1 kHz, balancing conduction loss with spectral performance. Internal logic is maintained by a stabilized 24 V DC control rail, while an EtherNet timer channel coordinates external synchronization. Basic cabinet power loss is 69 W and rises to 210 W under full load, so the enclosure must remove the resulting heat. The IP20 protection rating indicates that the inverter is intended for installation inside a closed panel. This enclosure arrangement protects the unit from contact with objects larger than 12.5 mm while leaving cooling and electrical connections accessible within the cabinet.

Thermal management is handled by a water-cooled cold plate. A flow rate of 4 L/min keeps semiconductor junction temperatures within operating limits when the inlet temperature remains below 30 °C, and the circuit can dissipate up to 700 W of heat. The design permits ambient air temperatures up to 55 °C and installation elevations of 2,000 m without derating. Output conductors can withstand momentary secondary currents of 54 kA, and the terminals accommodate cables with cross-sectional areas up to 95 mm². Cooling water passes through an M16 × 1.5 threaded connection for integration with the external cooling circuit. Proper coolant flow allows the cold plate to transfer heat continuously during demanding operating cycles.