PSI63C0.336-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.336-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It uses water cooling and supports mains voltages from 400 to 480 VAC for TN, TT, or IT networks. This inverter features IP20 protection and a logic supply voltage of 24 VDC with a maximum logic current of 1.5 Amps.
Internal Product Review
The PSI63C0.336-W1 is a medium frequency inverter built for dependable industrial service with water-cooled construction. Support for 400 to 480 VAC mains voltage and TN/TT/IT networks gives strong integration flexibility across varied plant power systems. Vertical or back-side mounting simplifies cabinet layout, while IP20 protection suits controlled enclosure installations.
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Product Description:
The PSI63C0.336-W1 is a medium-frequency inverter from Bosch Rexroth Indramat in the PSI Frequency Inverters series. It converts three-phase mains power into regulated medium-frequency output for induction heating, welding, or hardening stations. By controlling amplitude and frequency, it delivers precise energy to resonant loads while isolating them from line disturbances and acting as the electrical link between the utility supply and process coils.
On the power side, the inverter accepts a three-phase input of 400 – 480 VAC from TN/TT/IT distribution systems, and its insulation permits a phase-to-ground potential of up to 480 VAC without flashover. Heat is extracted through a water-cooled heat sink, so the interior of the cabinet remains near ambient temperature during continuous duty. The logic and power sections are housed in an enclosure rated IP20, so the unit must be installed inside an enclosure rated IP54 to meet the required panel protection level. Installation is supported in vertical or back-side orientation, which helps keep coolant passages free of air pockets. Control electronics are fed by a stabilized 24 VDC auxiliary supply that powers internal relays and monitoring circuits.
The logic rail can deliver up to a 1.5 A maximum, with short surges of 2 A for 10 ms tolerated during contactor pull-in. Ripple on this line is limited to ±5%, and operation remains stable across a voltage tolerance window of +20% and -15%. Parameterization and diagnostics are carried out through the V24/RS232, Mini-DIN 8-Pole programming interface, while real-time sequencing uses the built-in timer channel identified as INTERBUS. Process feedback enters through the X3 8-pole current-sensor socket, and user command lines terminate on the X4 14-pole logic connector. These interfaces allow the inverter to connect to PLC racks and field devices without additional gateway hardware.
