PSI63C0.179-L2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.179-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a TriCore CPU and an input mains voltage range of 480 to 690 VAC, supporting a maximum primary current of 800 Amps. The inverter has a 24 V discrete I/O type, air cooling method, and cabinet losses up to 200 Watts at maximum current. It measures 463 mm in height, 239 mm in width, 280 mm in depth, and weighs 21 kilograms.
Internal Product Review
The PSI63C0.179-L2 is a medium frequency inverter featuring air-cooled operation and a TriCore CPU. Support for 480 to 690 VAC mains voltage and 24 V discrete I/O gives the unit strong integration value in high-power industrial systems. A maximum primary current of 800 A stands out as a key performance advantage.
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Product Description:
The Bosch Rexroth Indramat PSI63C0.179-L2 is a medium-frequency inverter in the PSI Frequency Inverters series. Designed for induction heating and similar high-power processes, the unit converts a three-phase utility supply into a regulated medium-frequency output that can be synchronized with external controllers. Within an automation line, it acts as the energy interface between the plant supply and work coils or transformers, enabling precise adjustment of heating curves, melt rates, or surface treatment profiles. Its control architecture supports stable process response where repeatable power delivery and coordinated timing are required.
Electrical ratings indicate how the inverter connects to plant power. The input accepts a three-phase range of 480–690 VAC and draws a nominal 110 A during standard process load. For momentary surges such as coil energizing, the converter withstands a primary current of up to 800 A. Line insulation is sized to keep the phase-to-ground potential below 600 VAC, and the integrated PSG 3100 transformer path can deliver a fault-clearing secondary current of 36 kA. The logic layer uses a TriCore CPU to execute real-time frequency modulation, while 24 V discrete I/O lines and a matching 24 V timer circuit support direct interlocking with PLC safety chains and process sequencing.
The enclosure measures 463 mm in height, 239 mm in width, and 280 mm in depth, and it weighs 21 kg, allowing installation in standard control cabinets where at least a 35 mm² connection area is available for line-power cabling. Thermal behavior is quantified with base cabinet dissipation of 100 W, losses at maximum current of 200 W, and worst-case cooling losses of 360 W. Because the power stage is air cooled, heat is removed with forced ventilation rather than liquid circuits, which simplifies integration where coolant routing is not available. Cabinet airflow must accommodate the stated loss values to prevent the TriCore controller and gate drivers from exceeding their temperature limits.
