PSI63C0.737-W2 Bosch Rexroth Indramat
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MPN: R911337039
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The Bosch Rexroth Indramat PSI63C0.737-W2 is a medium frequency inverter from the PSI Frequency Inverters series. It features a three-phase input, operates with a mains voltage of 480 to 690 VAC at 50 or 60 Hz, and supports a maximum output current of 800 A. The device is water cooled, has an IP20 degree of protection, and weighs approximately 25 kg.
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Product Description:
The PSI63C0.737-W2 belongs to the PSI Frequency Inverters series from Bosch Rexroth Indramat. The manufacturer identifies it as a medium-frequency inverter for automated induction heating, melting, or hardening systems. Within an installation, it converts high-voltage three-phase mains power into a regulated medium-frequency output, enabling precise power control for demanding industrial processes.
This inverter accepts a three-phase input of 480 to 690 VAC at either 50 or 60 Hz and modulates it at a carrier frequency of 1 kHz. Line current is distributed through busbars sized for a nominal system current of 110 A, while the power section can deliver up to 800 A of output for transient demands and withstand 36 kA on the secondary circuit. A built-in MOV network provides overvoltage limitation, while an Ethernet-based timer coordinates firing sequences with external controllers. The integrated 24 VDC power supply furnishes 2 A for contactors and sensors. The terminals accept conductors measuring up to 50 mm², and output leads can use wiring measuring up to 35 mm². Control logic is energized by a separate three-phase auxiliary feed. Control clocking remains stable because the low-ripple DC link provides consistent power to the inverter electronics.
The permitted operating temperature range is +10 to +55 °C, and installation is supported at elevations of up to 2000 m. The housing has an IP20 degree of protection and meets climatic class 3K3 under EN 60721-3-3. Heat transferred to the coolant does not exceed 420 W when a flow of 4 L/min enters through the M16 × 1.5 fittings at a maximum temperature of 30 °C. Storage is permitted from -25 to +70 °C, allowing the 25 kg enclosure to be transported or stored across a broad temperature range. A remote enable line is powered by the inverter’s 24 V DC control circuit, providing a dedicated control signal for external activation. The water-cooled design removes switching losses from the power stage during continuous operation.
Frequently Asked Questions about PSI63C0.737-W2:
Q: What is the cooling method used for the Bosch Rexroth Indramat PSI63C0.737-W2 inverter?
A: The PSI63C0.737-W2 features water-cooled operation, ensuring efficient thermal management during use.
Q: What input voltage and phase does the PSI63C0.737-W2 support?
A: This inverter is designed to handle input voltages ranging from 480 to 690 VAC with a 3-phase supply.
Q: What is the maximum output current of the PSI63C0.737-W2 frequency inverter?
A: The maximum output current for the PSI63C0.737-W2 is rated at 800 A.
Q: What is the maximum ambient temperature that the PSI63C0.737-W2 inverter can operate in?
A: The PSI63C0.737-W2 is rated for a maximum ambient operating temperature of 55°C.
Q: What is the output specification of the integrated power supply unit in the PSI63C0.737-W2 inverter?
A: This inverter provides a 24 VDC integrated power supply unit with a maximum output current of 2 A.
