PSI63C0.759-W2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.759-W2 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a mains voltage between 480 and 690 VAC, a control supply voltage of 24 V DC, and is water cooled with a maximum output current of 800 Amps. The unit offers IP20 protection and functions with a clock frequency of 1 kHz.
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Product Description:
The PSI63C0.759-W2 is a medium-frequency inverter from Bosch Rexroth Indramat’s PSI Frequency Inverters series. This unit converts high-voltage three-phase power into a controlled medium-frequency output that drives induction heating coils, hardening systems, or other process loads. By modulating its internal power stage, the inverter supports precise energy delivery, making it a critical link between the plant mains and equipment that demands stable, adjustable medium-frequency current. This operating role helps process equipment maintain repeatable heating behavior during changing load conditions.
It operates from a mains window of 480 – 690 VAC, permitting direct connection to industrial high-voltage feeders. Internal control electronics are powered separately by 24 V DC, so logic and gating circuits remain active during line disturbances. Pulse-width modulation is switched at 1 kHz, a frequency that balances switching loss with current ripple. Under steady conditions the inverter delivers a nominal system current of 110 A, yet the power stage can supply up to 800 A on the primary side and as much as 36 kA on the secondary, giving ample headroom for short heating bursts. Timing and diagnostic data are exchanged through an EtherNet-based timer interface, simplifying communication with higher-level control equipment.
Thermal management relies on a water-cooled plate that removes the basic cabinet loss of 100 W and keeps enclosure dissipation below the 140 W ceiling. When the inverter is driven at peak levels, the exchanger can carry away up to 500 W of heat, maintaining semiconductor junctions within limits. Operation is permitted in ambient temperatures up to 55 °C, and the housing carries an IP 20 degree of protection for installation inside a sealed electrical cabinet. Surge events on the mains are clamped by a MOV network, while the water-cooled design helps reduce acoustic noise during operation. The enclosed layout also supports use in industrial cabinets where conductive debris and accidental contact must be controlled.
Frequently Asked Questions about PSI63C0.759-W2:
Q: What is the input mains voltage range for the PSI63C0.759-W2 frequency inverter?
A: The PSI63C0.759-W2 operates with a mains voltage range of 480 to 690 VAC.
Q: What cooling method does the PSI63C0.759-W2 frequency inverter use?
A: This inverter uses a water cooling method for effective thermal management.
Q: What is the maximum output current supported by the PSI63C0.759-W2?
A: The maximum output current of the PSI63C0.759-W2 is 800 A.
Q: What is the maximum ambient temperature that the PSI63C0.759-W2 can operate in?
A: It is rated for a maximum ambient temperature of 55 °C during operation.
Q: What type of overvoltage protection is provided in the PSI63C0.759-W2?
A: The PSI63C0.759-W2 features MOV for overvoltage protection.
