PSI6100.320-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6100.320-L1 is a Medium Frequency Inverter from the PSI Frequency Inverters series and weighs approximately 20 kilograms. It operates with a mains voltage of 400 to 480 VAC and a frequency of 50 or 60 Hz, and features an IP20 degree of protection. The inverter has an integrated power supply unit with a maximum output current of 2 A at 24 VDC and uses air cooling.
Internal Product Review
The PSI6100.320-L1 is a medium frequency inverter with 400 to 480 VAC mains input and 50 or 60 Hz compatibility. Air-cooled construction and IP20 protection make the unit especially appealing for controlled cabinet installations where thermal stability is important. A 24 VDC integrated power supply rated at up to 2 A adds valuable control-side support, making the inverter a strong choice for consistent production service.
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Product Description:
The PSI6100.320-L1 medium-frequency inverter is produced by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. It converts three-phase mains power into a modulated output for induction heating generators, high-speed spindle drives, and other industrial equipment that requires adjustable medium-frequency power. By controlling output voltage and frequency, the inverter allows an automation controller to regulate process energy without relying on mechanical adjustments. This electronic control supports applications in which repeatable power delivery and rapid output changes are required during normal machine operation.
The inverter accepts a three-phase supply of 400–480 VAC and operates at line frequencies of 50 or 60 Hz. An integrated source supplies the internal logic and sensors with a maximum current of 2 A at 24 VDC, removing the need for a separate control supply. The enclosure provides IP20 protection, so the inverter must be installed inside a suitable cabinet to prevent unintended access and exposure to contaminants. Air moves through the heat sink fins to remove thermal energy generated by the power electronics. Adequate clearance around the intake and exhaust paths is necessary to maintain the intended airflow. Synchronization and diagnostic data are exchanged through the INTERBUS timer interface, which allows a higher-level controller to transmit operating commands and receive start, stop, and fault information.
During operation, cooling losses must not exceed 360 W, and the ambient temperature must remain within +10 to +55 °C. Storage and transportation are permitted at temperatures from -25 °C to +70 °C without permanent degradation. The unit is suitable for the 3K3 climatic category under EN 60721-3-3, which applies to indoor control areas with moderate humidity and airborne contamination. Its approximate mass is 20 kg, and the mounting surface must support the unit securely while preserving the required cooling clearances. Cabinet placement should keep the ventilation paths unobstructed and provide sufficient room for power, control, and communication connections. The INTERBUS connection supports coordinated operation with plant control equipment used in tooling systems, test rigs, and electronically regulated production machinery.
