PSI62C0.788-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI62C0.788-W1 is a Medium Frequency Inverter from the PSI Frequency Inverters series. It is water-cooled, has a degree of protection rated at IP20, and operates on a mains voltage of 400 to 480 VAC at 50 or 60 Hz. The inverter includes an integrated power supply unit with a maximum output current of 2 A at 24 VDC and weighs about 25 kilograms.
Internal Product Review
The PSI62C0.788-W1 is a medium frequency inverter with water-cooled thermal management for stable performance in demanding drive applications. Operation on 400 to 480 VAC mains and IP20 protection make the unit well suited for controlled industrial cabinets. A 24 VDC integrated power supply with up to 2 A output adds practical system support, making this inverter a strong fit for machine installations.
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Product Description:
The PSI62C0.788-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. It conditions three-phase utility power so induction heaters, hardening stations, and similar loads receive a regulated medium-frequency supply that can be switched in precise cycles. The inverter is intended for cabinets that already provide process water, making it suitable for dense automation cells where forced-air cooling would introduce additional heat and require more ventilation space.
The inverter dissipates heat through a water-cooled plate, which keeps its internal semiconductors within operating limits even when cooling losses reach 420 W. The incoming supply supports a voltage range of 400 to 480 VAC, allowing the unit to operate with common industrial power systems. Its control logic works with 50 or 60 Hz mains power without manual range switching. Protection against accidental contact is rated at IP20, so the inverter must be installed inside a suitable enclosed panel. Operation is permitted at ambient temperatures from +10 °C to +55 °C. The water circuit removes heat generated during high-duty cycles and reduces the thermal load placed on the surrounding cabinet.
The operating climate category is 3K3 in accordance with EN 60721-3-3, covering the climatic conditions permitted for stationary use in a protected location. A dedicated auxiliary power section supplies a stable 24 VDC output for compatible external relays and sensors. Its current limit of 2 A protects connected devices from excessive current and can reduce the need for a separate auxiliary supply. Setup information and cycle commands are exchanged through the integrated Ethernet timer interface, avoiding the need for proprietary field wiring between the inverter and the control system. When powered down, the unit can be stored or transported at temperatures from -25 °C to +70 °C, and its approximate mass of 25 kg must be considered when selecting panel supports and lifting equipment.
