PSI65C0.357-W1 Bosch Rexroth Indramat
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MPN: R911173301
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The Bosch Rexroth Indramat PSI65C0.357-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It features a water cooled design, operates at a mains voltage of 400 to 480 VAC with a frequency of 50 or 60 Hz, and provides a maximum output current of 2 Amps at 24 VDC from its integrated power supply unit. This inverter weighs approximately 25 kilograms and offers an IP20 degree of protection.
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Product Description:
The PSI65C0.357-W1 is a medium-frequency inverter produced by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It is designed to take three-phase utility power and create a regulated medium-frequency output that can energize induction coils, hardening generators, or other specialized loads in automated production cells. Built for panel installation, the unit incorporates an internal power section and a fieldbus timer interface, allowing synchronization with machine-level process controllers without separate conversion hardware. This arrangement supports controlled frequency changes as operating demands vary during automated processes.
The inverter accepts line voltages from 400–480 VAC at either 50 or 60 Hz, allowing connection to common industrial power systems. A water-cooled heat sink removes switching losses, and the residual thermal load is limited to 420 W, which reduces the cooling demand placed on the facility chiller. An integrated auxiliary supply delivers 24 VDC at up to 2 A. This auxiliary rail can power contactors, sensors, or the INTERBUS timer circuit, eliminating the need for an external control transformer. The enclosure has an ingress protection rating of IP20, which protects against accidental finger contact with internal components. However, the inverter must be installed in a closed cabinet to prevent exposure to dust and splashing liquids.
The unit can operate at ambient temperatures from +10 °C to +55 °C. It can be stored or transported at temperatures from -25 °C to +70 °C without performance degradation. The inverter is qualified for climatic category 3K3 under EN 60721-3-3, permitting operation under the moderate humidity and vibration conditions commonly found on production floors. With a mass of 25 kg, the unit can be mounted directly on a suitable standard backplate that provides adequate mechanical support. Its water-cooling connections must be routed so that coolant can circulate through the heat sink without obstructing adjacent cabinet components. INTERBUS synchronization permits coordinated frequency changes that match dynamic load demands without requiring the upstream PLC program to be rewritten.
Frequently Asked Questions about PSI65C0.357-W1:
Q: What mains voltage does the PSI65C0.357-W1 frequency inverter require?
A: The PSI65C0.357-W1 inverter operates with a mains voltage range of 400 to 480 VAC.
Q: What cooling method does the PSI65C0.357-W1 inverter feature?
A: This model uses water cooling for thermal management during operation.
Q: What are the output voltage and current capabilities of the integrated power supply unit?
A: The PSI65C0.357-W1 offers an integrated power supply output of 24 VDC up to a maximum of 2 A.
Q: To which climatic category does the PSI65C0.357-W1 comply?
A: It is designed for environments classified as 3K3 according to EN 60721-3-3, ensuring suitability for industrial settings.
Q: What degree of protection does the PSI65C0.357-W1 inverter have?
A: The inverter provides an IP 20 degree of protection, meaning it is protected against solid objects greater than 12.5 mm but not against water ingress.
