PSI6300.610-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6300.610-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It features a nominal line current of 110 Amps, a primary output frequency of 1 kHz, and operates with a mains voltage range of 400 to 480 VAC. The device uses air cooling and includes a DeviceNet I/O interface, with an integrated power supply delivering 24 VDC at a maximum of 2 Amps.
Internal Product Review
The PSI6300.610-L1 is a Bosch Rexroth Indramat medium frequency inverter built for 400-480 VAC mains service. DeviceNet I/O integration and air-cooled operation support straightforward installation and stable control in industrial systems. Peak secondary current of 36 kA stands out as a strong performance advantage.
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Product Description:
The Bosch Rexroth Indramat PSI6300.610-L1 belongs to the PSI Frequency Inverters series and is classified as a medium-frequency inverter for industrial automation. It converts factory mains into controllable kilohertz-range power that feeds induction heating stations, brazing rigs, or resonant capacitive loads, allowing precise thermal profiles to be programmed by the host controller. This arrangement supports repeatable heating cycles where output power must respond quickly to process changes. By integrating communication and a low-voltage supply, the device streamlines panel wiring while maintaining the electrical isolation required in high-energy processing cells.
Electrical parameters set the permissible network and load conditions. The input window spans 400 – 480 VAC, and continuous operation draws a nominal line current of 110 A. During energization, the inverter tolerates 800 A on the primary circuit while producing a 1 kHz waveform for the induction coil. An integrated power supply furnishes 24 VDC at up to 2 A for gate drives or field I/O, which helps separate control power from the main conversion stage. Heat generated by the power electronics is removed by an air-cooled path, and base cabinet loss is 69 W. DeviceNet handles both general I/O exchange and the built-in timer function, so cycle timing and diagnostic data share a common bus.
Mechanical integration centers on space, cabling, and protection. The frame measures 463 mm in height and 239 mm in width, and the recommended mounting clearance helps preserve airflow across the heat sink. Power terminals accept conductors up to 50 mm², with a minimum cable cross-section of 35 mm² to carry the nominal current safely and keep connection heating under control. Under maximum load, the cabinet dissipation rises to 170 W, and the secondary circuit can reach 36 kA, which affects enclosure cooling and busbar layout. The enclosure carries an IP20 rating, so the unit is finger-safe but still requires installation inside a protected cabinet.
