PSI63C0.759-L2 Bosch Rexroth Indramat
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MPN: R911173585
The Bosch Rexroth Indramat PSI63C0.759-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a TriCore CPU, supports a control cycle of 1 ms, and is air cooled. The inverter handles a mains voltage range of 480 to 690 VAC and a mains nominal current of 110 Amps, while weighing 21 kg.
Internal Product Review
The PSI63C0.759-L2 is a Bosch Rexroth Indramat medium frequency inverter with air-cooled thermal management. A 1 ms control cycle and 1000 Hz inverter frequency support fast, stable response in demanding process applications. Operation on 480 - 690 VAC mains adds strong industrial compatibility, a key advantage for high-performance inverter service.
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Product Description:
The PSI63C0.759-L2 belongs to the PSI Frequency Inverters series from Bosch Rexroth Indramat. It is a medium-frequency inverter that conditions three-phase mains power so induction heating coils, weld transformers, or other high-frequency loads receive accurately timed energy. Within an automation cell, the unit links to EtherNet-based sequence timers and fits in system cabinets that maintain 100 mm of installation clearance on all sides. This arrangement supports repeatable heating pulses and stable power delivery during automatic cycles.
The inverter produces carrier energy at 1000 Hz, and its digital regulator refreshes every 1 ms. This combination gives tight current control for rapidly changing thermal profiles in induction and resistance-heating processes. A permissible mains voltage range of 480–690 VAC lets the device operate on most high-voltage plant buses without step-up transformers. During continuous duty, the inverter draws a nominal mains current of 110 A, so upstream switchgear and cable cross-sections must be sized accordingly. Heat generated by the IGBTs and line filter leaves the enclosure through an air-cooled path, so no auxiliary liquid circuit is required and cabinet airflow requirements remain straightforward.
When the cycle demands short bursts of energy, the inverter can source a primary current of 800 A and deliver a transformer secondary peak of 36 kA without saturating its output stage. Cabinet thermal load under idle conditions is held to 100 W, and even at maximum conduction losses it reaches only 200 W, which helps limit cabinet heat buildup. The power lugs accept conductors up to 50 mm², and the minimum permissible cross-section is 35 mm² to keep temperature rise within limits. With a shipping weight of 21 kg, the inverter remains manageable for cabinet installation and rack mounting.
