PSI63C0.100-L2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.100-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It is air cooled, features IP20 ingress protection, and has a logic supply voltage of 24 VDC. This inverter operates on 480 to 690 VAC mains voltage, supports a nominal mains current of 110 A, and provides a transformer output frequency of 1 kHz.
Internal Product Review
The PSI63C0.100-L2 is a Bosch Rexroth Indramat medium frequency inverter with an air-cooled design that supports dependable thermal performance. Support for 480 - 690 VAC mains and 110 A nominal mains current gives the unit strong compatibility in demanding industrial power sections. IP20 protection and 36 kA maximum secondary current make the inverter a strong choice for serious medium-frequency applications.
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Product Description:
The PSI63C0.100-L2 is a medium-frequency inverter constructed by Bosch Rexroth Indramat within the PSI Frequency Inverters series. In induction-heating and high-speed welding lines, the unit modulates three-phase supply power so that the downstream transformer receives a stable high-frequency output required for precise thermal profiles. By combining power conversion, timing control, and multiple I/O points, the product functions as a compact drive component that bridges the plant mains and the machine load in general-purpose industrial automation.
The inverter accepts a three-phase supply from 480 – 690 VAC at either 50 or 60 Hz and draws a nominal line current of 110 A when operating at rated load. Internally, it is air cooled, so cabinet airflow must remove the conversion losses created by the IGBT bridge. After rectification and inversion, the unit feeds the matching transformer at 1 kHz, a frequency that reduces core volume while keeping skin-effect losses manageable. Primary fuse sizing is guided by the maximum primary current of 800 A, while downstream conductors are protected by an integrated stop circuit that can interrupt up to 3 A. The housing carries an IP20 rating, meaning live parts are guarded against fingers, but the device must be mounted in a clean, closed panel.
Control and protection logic is powered by a separate 24 VDC supply, and the inverter’s timing circuits use the same 24 V reference. Twenty-six discrete inputs handle start, stop, and diagnostic contacts, and a high-level feedback signal of 10 V is available for force sensors that monitor process pressure. On the secondary side, the converter can deliver up to 36 kA, so installation requires cables of at least 35 mm² and terminals rated for 50 mm² conductors. A contactor opens within 200 ms once a fault is detected, and the start sequence is aborted if the enabling signal is missing for longer than 60 s.
