PSI6300.650-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6300.650-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. The inverter is air cooled, features a control cycle of 1 millisecond, and provides overvoltage protection through an MOV device.
Internal Product Review
The PSI6300.650-L1 is a medium frequency inverter with a 1 ms control cycle and 1000 Hz inverter frequency. Air-cooled construction and IP20 protection support dependable cabinet integration in industrial service. Support for 256 programs makes this unit an especially capable choice for flexible process applications.
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Product Description:
The PSI6300.650-L1 belongs to the PSI Frequency Inverters series manufactured by Bosch Rexroth Indramat. Classified as a medium-frequency inverter, it converts three-phase mains power into controllable high-frequency energy for automated processes that need precise thermal or electromagnetic input. The unit is intended for enclosed control cabinets, where ambient air moves across the heat sinks while the housing provides IP20 touch protection.
The inverter closes its internal regulation loop every 1 ms, allowing a rapid response to load changes during operation. It can superimpose carrier signals up to 1000 Hz, which suits induction heating coils and similar loads. The line connection spans 400 – 480 VAC, and at rated operation it draws 110 A from the supply. Passive cabinet power dissipation is limited to 69 W, so additional forced ventilation is not normally required. Its air-cooled construction directs ambient airflow through fins behind a 3 mm gasket that seals the electronics compartment, and a built-in MOV network clamps transient overvoltage on the DC link. The control section includes 256 program slots and communicates timing functions through a DeviceNet timer. A 24 VDC, 2 A auxiliary supply supports external sensors or relays. The power terminals require a minimum conductor cross-section of 35 mm², and cable exits need 100 mm of clearance above the cabinet roof.
For short-duration demand, the primary peak current reaches 800 A, and the secondary pulse capability reaches 36 kA. These levels support brief high-energy bursts without driving the magnetic components into saturation. Installation is permitted at altitudes up to 2000 m, and the unit is intended for locations that meet climatic category 3K3 for temperature and humidity conditions. Placement inside a larger panel is required for normal use, and the enclosure is intended for finger-safe access in cabinet-mounted applications.
