PSI6300.142-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6300.142-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a mains voltage of 400 to 480 VAC and a nominal current of 110 Amps, featuring a maximum secondary current of 36 kA. This air-cooled unit has an IP20 degree of protection and supports 256 program selections.
Internal Product Review
The PSI6300.142-L1 is a Bosch Rexroth Indramat medium frequency inverter engineered for 400 to 480 VAC mains input. Discrete 24 V I/O and support for 256 programs give the inverter strong flexibility in automated production environments. Air-cooled operation with IP20 protection makes this inverter a dependable choice for enclosed industrial cabinet installations.
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Product Description:
The PSI6300.142-L1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat for the PSI Frequency Inverters series. This converter links a three-phase supply to induction heating or welding loads that require rapidly adjustable power at several kilohertz. By converting plant mains power into a controlled medium-frequency output, it supports precise thermal profiles and repeatable process parameters in automated production cells. The regulated output allows the connected equipment to apply energy consistently during repeated manufacturing cycles.
It accepts three-phase line voltages between 400–480 VAC and draws a mains current of 110 A under rated operating conditions. To support rapid heating cycles, the input stage can withstand a primary surge of 800 A without tripping. Internal switch assemblies dissipate up to 170 W of cabinet losses at maximum utilization, and an air-cooled design manages this heat through forced airflow across the heat sinks. Front-panel terminals have an IP20 protection rating, so the inverter must be installed inside a suitable enclosure. Control logic is powered by an integrated 24 VDC supply that delivers 2 A. Digital commands reach the inverter through discrete 24 V input and output lines supplied by the same control voltage.
The inverter contributes basic switch-cabinet losses of 69 W, separate from the dynamic loss stated above. Output conductors are rated for a secondary fault current of 36 kA, so bus bars with a minimum cross-sectional area of 35 mm² and cable lugs compatible with terminals rated for up to 50 mm² are recommended. A clearance of 100 mm above and below the 463 mm-tall housing preserves the required cooling airflow. The housing uses a flat 3 mm gasket at its mounting interface. The internal sequence controller can store 256 programs, allowing users to change between material recipes without repeatedly entering process parameters. Stored programs support different operating sequences for production cells that process multiple materials or workpieces.
