PSI62C0.728-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI62C0.728-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It has a water-cooled design with IP20 protection and operates at a mains voltage of 400 to 480 VAC and frequency of 50 or 60 Hz. The inverter features an integrated power supply that outputs 24 VDC at a maximum of 2 A and weighs approximately 25 kilograms.
Internal Product Review
The PSI62C0.728-W1 is a medium frequency inverter with water-cooled thermal management for stable operation. Support for 400 to 480 VAC mains voltage and 50 or 60 Hz input makes integration straightforward in common industrial power systems. IP20 protection adds dependable panel-level suitability, making the unit a strong choice for controlled automation environments.
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Product Description:
The PSI62C0.728-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. It converts fixed three-phase mains power into a controlled medium-frequency output that supplies induction heaters, high-speed spindles, or test equipment in automated lines. By regulating voltage, current, and frequency, the unit enables precise thermal or mechanical processes while minimizing mechanical wear on connected machinery.
Mains connectivity is flexible because the inverter accepts a line voltage of 400–480 VAC and can operate at either 50 or 60 Hz, allowing installation in most regions without step-up or step-down transformers. An internal auxiliary supply provides 24 VDC at a maximum of 2 A, so external logic devices can be powered directly from the drive. The enclosure has an IP20 protection rating, which means live parts are protected against finger contact, but the unit must be installed inside a control cabinet. Ethernet serves as the timer and communication interface, providing fast parameter access and diagnostic polling. The inverter is suitable for climatic category 3K3 under EN 60721-3-3, which corresponds to typical workshop conditions.
Heat is removed through a water-cooled plate, and the electronics generate up to 420 W of heat loss that the facility chiller must absorb. Continuous operation is permitted within an ambient temperature range of +10 to +55 °C, while storage or transport can occur between -25 °C and +70 °C without damaging the components. With a transport mass of 25 kg, the inverter requires secure handling and firm panel mounting, while its weight helps reduce vibration after installation. Coolant flow through the plate transfers heat away from the power electronics during sustained operation. The cabinet must provide appropriate protection from moisture and debris because the enclosure is intended for protected indoor installation.
