PSI63C0.168-L1 Bosch Rexroth Indramat
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MPN: R911175281
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The Bosch Rexroth Indramat PSI63C0.168-L1 is a medium frequency inverter from the PSI Frequency Inverters series and has a weight of approximately 20 kilograms. It features an air-cooled design with IP20 protection and operates on 400 to 480 VAC mains voltage at 50 or 60 Hz. The integrated power supply unit delivers a maximum output current of 2 Amps at 24 VDC.
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Product Description:
The PSI63C0.168-L1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. Designed for machine tools and other automated assemblies, it converts a fixed three-phase supply into the variable medium-frequency output required by inductive loads, power supplies, or spindle drives. An integrated timer interface accepts low-voltage control signals, allowing supervisory equipment to enable or disable the unit without an additional signal converter. This interface also supports timed control functions that help coordinate the inverter with upstream motion or process sequences.
The inverter accepts a mains voltage range of 400–480 VAC at line frequencies of 50 or 60 Hz. Internal switching components release heat through forced-air cooling, so the cabinet must provide sufficient airflow around the inverter. The unit can dissipate up to 360 W of heat during operation, which should be considered when arranging cabinet ventilation. Its enclosure has an IP20 protection rating, making the inverter suitable for protected indoor installation where it will not be exposed to conductive dust or dripping liquids. Climatic category 3K3 under EN 60721-3-3 permits operation under moderate humidity and noncondensing atmospheric conditions commonly encountered in industrial facilities.
The auxiliary power supply delivers up to 2 A at 24 VDC for compatible contactors, sensors, or drive electronics. This integrated supply can reduce the need for a separate DIN-rail power supply when the connected devices remain within its available current capacity. The permitted ambient operating temperature ranges from 10 to 55 °C, while storage and transportation are allowed from -25 to 70 °C. Adequate spacing and ventilation are necessary near the upper operating limit to prevent excessive heat from accumulating around the chassis. The inverter has a total mass of 20 kg, so the mounting surface and fasteners must be selected to support the unit securely. Its control and power connections should remain accessible after installation to allow proper wiring, inspection, and routine service within the enclosure.
