PSI63C0.632-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.632-W1 is a medium frequency inverter from the PSI Frequency Inverters series, featuring a water cooled design and an IP20 protection rating. It operates with a mains voltage of 400 to 480 VAC, supports 50 or 60 Hz frequency, and weighs approximately 25 kilograms. The integrated power supply unit outputs up to 2 A at 24 VDC.
Internal Product Review
The PSI63C0.632-W1 is a medium frequency inverter with water-cooled thermal management. Operation on 400 to 480 VAC at 50 or 60 Hz supports straightforward integration into standard industrial power systems. IP20 protection and a 24 VDC integrated power supply make this unit a strong choice for controlled cabinet installations.
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Product Description:
The PSI63C0.632-W1 is a medium-frequency inverter produced by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. Designed for industrial automation cells that need precisely regulated high-current outputs, it transforms standard three-phase plant power into a medium-frequency output for induction coils or transformers. An onboard 32-bit controller and discrete 24-volt I/O allow a PLC to coordinate heating cycles, welding pulses, or similar processes without additional sequencing hardware.
The mains connection accepts supply voltages from 400–480 VAC at standard line frequencies of 50 or 60 Hz. Under nominal loading, the inverter draws a mains current of 110 A, while the primary current can reach 800 A during peak demand. The internal power section provides a phase-to-ground withstand voltage of 480 VAC. Installation wiring can be routed through terminals that accept conductors up to 50 mm². Logic and sequencing run on a TriCore CPU. The interface provides 64 serial inputs and 64 serial outputs together with discrete 24 V I/O. The unit uses water cooling, reducing the need for cabinet ventilation associated with air-cooled systems. Protection against accidental contact is rated at IP20.
Heat is removed by an integrated water circuit that dissipates up to 420 W. The cooling circuit requires a minimum flow rate of 4 L/min through the M16 × 1.5 ports at a pressure of 0.1 bar to keep semiconductor junction temperatures within their operating limits. Switch-cabinet losses are limited to 69 W, while conversion losses are limited to 110 W under maximum current. The inverter can deliver secondary currents up to 36 kA, controlled by a DeviceNet-based timer for accurate pulse durations. A built-in power supply provides 24 VDC at up to 2 A for external sensors. The inverter operates at ambient temperatures from +10 °C to +55 °C within the 3K3 climatic category and can be stored at temperatures as low as -25 °C.
