PSI6200.370-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI6200.370-W1 is a medium frequency inverter from the PSI Frequency Inverters series. It features a water-cooled design, IP20 protection, and operates at 400 to 480 VAC with a mains frequency of 50 or 60 Hz. The integrated power supply unit provides up to 2 A output current at 24 VDC, and the unit weighs approximately 25 kg.
Internal Product Review
The PSI6200.370-W1 is a medium frequency inverter with water-cooled thermal management that feels well suited to continuous industrial duty. Operation on 400 - 480 VAC at 50 or 60 Hz supports straightforward integration into common plant power systems. IP20 protection and a 24 VDC integrated power supply make the inverter a well-balanced choice for controlled cabinet installations.
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Product Description:
The PSI6200.370-W1 belongs to the PSI Frequency Inverters series manufactured by Bosch Rexroth Indramat. Classified as a medium-frequency inverter, it is installed in automation cells where adjustable high-frequency power is needed for processes such as induction heating, welding, or rapid spindle control. By converting plant-level three-phase power into a regulated medium-frequency output, the unit supplies downstream loads with stable voltage and current profiles while reducing reactive power on the supply side.
This inverter accepts a three-phase supply between 400 and 480 VAC, and the wide input range supports operation on standard industrial networks. It synchronizes with power systems that operate at 50 or 60 Hz, eliminating the need for external converters when facilities use different regional power standards or generator sources. An integrated auxiliary supply delivers 24 VDC control power so PLC I/O, relays, and field sensors can be powered locally. This auxiliary rail supplies a maximum current of 2 A, which is sufficient for typical peripheral loads without requiring oversized cabinet transformers. Process heat generated in the power stage is removed through a water-cooled heat exchanger; this method maintains semiconductor junction temperatures below derating limits and allows the drive to be mounted in enclosures with minimal airflow.
The inverter supports operation in production halls that meet the 3K3 climatic class according to EN 60721-3-3, which covers moderate humidity and dust concentrations. The electronic components are protected by an IP20 housing, providing basic protection against finger contact when the drive is installed inside a switchgear cabinet. Continuous service is permitted at ambient temperatures from +10 to +55 °C; outside this range, automatic current reduction may occur to protect the power devices. The coolant circuit must absorb up to 420 W of thermal losses at full load, ensuring that the 25 kg assembly maintains thermal equilibrium during extended operating cycles.
