PSI62C0.357-W1 Bosch Rexroth Indramat
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The PSI62C0.357-W1 is a medium frequency inverter manufactured by Bosch Rexroth Indramat as part of the PSI Frequency Inverters series. It is water cooled, supports a mains voltage of 400 to 480 VAC at 50 or 60 Hz, and has IP20 protection. This inverter includes an integrated power supply unit with a maximum output current of 2 Amps at 24 VDC and weighs approximately 25 kg.
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Product Description:
The PSI62C0.357-W1 belongs to the PSI Frequency Inverters series produced by Bosch Rexroth Indramat. It is classified as a medium-frequency inverter intended to modulate the output supplied to induction furnaces, hardening generators, or other frequency-based heating equipment used in automated manufacturing. By converting the plant’s three-phase mains power into a controlled medium-frequency output, the unit allows energy delivery to be adjusted for different material characteristics and operating cycles. This controlled conversion supports repeatable heating performance during industrial thermal processes.
The inverter accepts a line input of 400–480 VAC at either 50 or 60 Hz, allowing installation on standard industrial supply grids without step-up or step-down transformers. An internal auxiliary power section provides 24 VDC at up to 2 A for control electronics, sensors, or external interface modules, eliminating the need for a separate supply block. Heat generated by the switching elements is removed through a water-cooled circuit, so cabinet airflow requirements remain low during sustained high-power cycles. Control integration is handled through the INTERBUS timer interface, which supports synchronized start and stop commands across multiple heating zones. The cooling system directs heat away from the power electronics to help maintain stable operation during extended duty cycles.
The enclosure has an ingress protection rating of IP20, which protects against accidental contact with live components and the entry of solid objects larger than 12.5 mm but does not provide protection against water. The unit can operate at ambient temperatures from +10 to +55 °C and can be stored or transported at temperatures as low as −25 °C. Its operating range corresponds to climatic category 3K3 under EN 60721-3-3. Maximum thermal dissipation to the coolant does not exceed 420 W, allowing the cooling circuit to be sized for the inverter’s heat load. With a mass of 25 kg, the inverter requires a mounting surface and lifting method suitable for its weight. Panel shelves and fastening points should provide adequate support during operation and machine vibration.
Frequently Asked Questions about PSI62C0.357-W1:
Q: What mains voltage does the PSI62C0.357-W1 support?
A: The PSI62C0.357-W1 operates with a mains voltage range of 400 to 480 VAC.
Q: What cooling method is used in the PSI62C0.357-W1?
A: This frequency inverter uses a water cooling method to dissipate heat.
Q: What are the output voltage and current of the integrated power supply unit on the PSI62C0.357-W1?
A: It has an integrated power supply unit that provides 24 VDC with a maximum output current of 2 A.
Q: What level of protection does the PSI62C0.357-W1 provide against environmental factors?
A: The PSI62C0.357-W1 is rated with IP20 degree of protection, meaning it is protected against solid objects greater than 12.5 mm but not against water.
Q: What is the operational temperature range for the PSI62C0.357-W1?
A: This inverter is designed to operate within a temperature range of +10 to +55 °C.
