PSI6100.108-L1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6100.108-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 frequency of 50 or 60 Hz, and is air cooled with a protection rating of IP20. This inverter has a 24 VDC integrated power supply with a maximum output current of 2 A and weighs approximately 20 kg.
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Product Description:
The PSI6100.108-L1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. It converts three-phase factory power into regulated medium-frequency energy for industrial automation equipment that requires precise electrical control. The air-cooled unit is intended for installation inside a control cabinet, where directed ventilation carries heat away from the internal heat sink. Cabinet mounting also protects the primary electronics from dust, debris, and accidental contact while allowing appropriate clearances around the ventilation paths.
The inverter accepts an input of 400–480 VAC and operates with a mains frequency of 50 or 60 Hz, making it compatible with common industrial power systems. An integrated switch-mode power supply provides 24 VDC with an output current of up to 2 A. This auxiliary rail can power local I/O and timer circuits designed for 24 V control logic. The housing has an enclosure rating of IP20, which provides protection against accidental finger contact but does not prevent dust or water from entering. The surrounding cabinet must therefore provide the additional protection required by the installation area. Adequate spacing around the cooling passages helps maintain consistent airflow across the power semiconductors during continuous operation.
The inverter releases up to 360 W of heat, and the cabinet ventilation system must dissipate this thermal load to keep internal temperatures within the permitted range. Its climatic category is 3K3, indicating suitability for the moderate temperature and humidity conditions commonly found on production floors. Normal operation is permitted from +10 to +55 °C, while the unpowered unit may be stored or transported from -25 °C to +70 °C. The inverter has a mass of 20 kg, which must be considered when selecting the mounting plate and fastening hardware. The backplate should provide sufficient rigidity to support the unit without flexing, and the attachment points should remain accessible for secure installation. Cabinet layout must also leave enough clearance for power wiring, control connections, and unobstructed cooling airflow.
Frequently Asked Questions about PSI6100.108-L1:
Q: What mains voltage is supported by the PSI6100.108-L1 frequency inverter?
A: The PSI6100.108-L1 inverter supports a mains voltage range of 400 to 480 VAC for flexible power input.
Q: What is the maximum output current and voltage of the integrated power supply unit?
A: This model offers a maximum output current of 2 A from its integrated power supply unit at 24 VDC.
Q: What type of enclosure protection does the PSI6100.108-L1 offer?
A: The PSI6100.108-L1 provides an IP20 degree of protection, meaning it offers limited ingress protection but is not suitable for wet environments.
Q: What is the allowable operating temperature range for the PSI6100.108-L1?
A: This inverter is designed for operation within an ambient temperature range of +10 to +55 ºC.
Q: How is the PSI6100.108-L1 frequency inverter cooled during operation?
A: The cooling method used in the PSI6100.108-L1 is air cooling, ensuring heat dissipation is managed via airflow.
