PSI6100.333-L2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6100.333-L2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates at a mains voltage of 480 to 690 VAC and supports a frequency of 50 or 60 Hz. The inverter is air cooled, has a degree of protection rated at IP20, and weighs approximately 21 kilograms.
Internal Product Review
The PSI6100.333-L2 is a medium frequency inverter designed for dependable industrial power conversion, with air-cooled operation for practical thermal control. Support for 480 - 690 VAC mains voltage and 50 or 60 Hz input makes integration straightforward across demanding plant power systems. The integrated 24 VDC power supply rated to 2 A is a strong finishing detail for stable auxiliary support.
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Product Description:
The PSI6100.333-L2 frequency inverter is built by Bosch Rexroth Indramat and belongs to the PSI Frequency Inverters series. It is categorized as a medium-frequency inverter intended to drive induction heating systems and other machinery that requires variable medium-frequency power. By rectifying the three-phase mains supply and converting it into a precisely controlled medium-frequency output, the unit allows accurate energy delivery and coordinated operation when linked to an INTERBUS timer network within larger automation cells.
Input compatibility spans 480 to 690 VAC three-phase supplies at 50 or 60 Hz, allowing installation on standard high-voltage plant buses without transformers. An integrated power supply delivers 24 VDC control power at up to 2 A, so external auxiliary supplies are not required for logic boards or contactors. The enclosure carries an IP20 rating, providing protection against finger contact but not against water jets. Installation inside a suitable switchgear cabinet is therefore advised. Heat is removed through an air-cooling channel, and the climatic classification of 3K3 per EN 60721-3-3 indicates suitability for dust-filtered indoor production areas.
During continuous operation, the inverter dissipates 360 W of heat, a value that assists with sizing forced-ventilation paths around adjacent equipment. Reliable performance is maintained at ambient temperatures from +10 to +55 °C, while storage and transport temperatures may range from -25 to +70 °C. With a mass of 21 kg, the chassis accommodates the inductors and switching assemblies needed for medium-frequency conversion while remaining suitable for secure cabinet mounting. INTERBUS timer integration provides synchronized start, stop, and ramp sequences for coordinated process control. Adequate clearance around the cooling channel allows air to pass through the inverter and carry heat away from internal power components during continuous service.
