PSI63C0.632-W2 Bosch Rexroth Indramat
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MPN: R911334944
The Bosch Rexroth Indramat PSI63C0.632-W2 is a medium frequency inverter from the PSI Frequency Inverters series. It features water cooling with a minimum cooling flow of 4 liters per minute and operates with a mains voltage range of 480 to 690 VAC. The inverter has a maximum primary current of 800 Amps and weighs approximately 25 kilograms.
Internal Product Review
The PSI63C0.632-W2 is a highly capable medium frequency inverter with water-cooled thermal management for stable high-load operation. IP20 protection and a 480-690 VAC mains range support dependable integration in controlled industrial cabinets, a strong combination for demanding inverter service.
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Product Description:
The PSI63C0.632-W2 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. Designed to convert high-voltage three-phase mains power into a controlled medium-frequency output, it supplies induction heating generators, melting furnaces, and similar loads that require tightly regulated power. Its integrated 24 V DC control supply allows local logic and sensors to be powered directly by the drive, simplifying cabinet wiring in automation cells.
At nominal load, the inverter dissipates 100 W of basic cabinet heat, while worst-case switching raises these losses to 140 W. The input stage accepts line voltages between 480 and 690 VAC at utility frequencies of 50 or 60 Hz and draws a rated line current of 110 A. DeviceNet timing functions coordinate the output with external sequencers, and a built-in power supply delivers 24 V DC at 2 A for contactors or fans. Protection is rated to IP20, so the unit must be installed inside an enclosure with finger-safe guarding. Feed conductors with a minimum cross-sectional area of 35 mm² are required to carry the specified mains current without excessive voltage drop. The cabinet layout must provide at least 100 mm of clearance above and below the chassis for cable bending and airflow.
Water circulation is the primary cooling method and requires a minimum flow of 4 L/min through M16 × 1.5 ports. This flow produces only a 0.1 bar pressure drop and removes up to 420 W of switching heat. Primary bus surges can reach 800 A, and the matched PSG 3100 transformer permits secondary pulses up to 36 kA. Overall dimensions are 448 mm high by 239 mm wide by 280 mm deep, and mounting requires M6 bolts and a 3 mm gasket to seal the cabinet wall. The chassis weighs approximately 25 kg, meets climatic category 3K3, and operates from +10 °C to +55 °C. Storage temperatures may range from -25 °C to +70 °C.
