PSI65C0.776-W1
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The PSI65C0.776-W1 is a medium-frequency inverter with integrated control functionality designed for industrial use in resistance welding applications. It features a water-cooled design, ensuring optimal thermal management during operation. This model offers a maximum output current of 400 A and a maximum secondary current of 20 kA, making it suitable for welding transformers with a capacity of up to 20 kA.
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Product Description:
Bosch Rexroth Indramat manufactured the PSI65C0.776-W1. The PSI65C0.776-W1 runs on a 3-phase system with a nominal voltage range of 400 to 480 V and a frequency of 50/60 Hz. This voltage range is a standard industrial power supply, so the inverter can be used in many different environments. The 24V DC power supply ensures stable power for the control electronics so the system’s processing and communication units won’t stop working. The device is connected through a box terminal with a max. conductor cross-section of 50 mm² for safe and efficient electrical connection. One of the most important performance parameters of the PSI65C0.776-W1 is the maximum output current of 400 A and maximum secondary current of 20 kA. This allows the inverter to drive welding transformers with high secondary currents, so you get deep material penetration and strong welds.
The nominal system current of 110 A (continuous thermal current) means the inverter can run for a long time without overheating. The switchgear cabinet loss at a maximum power of 110 W shows how energy efficient the unit is, so it minimizes heat generation and power dissipation. To ensure thermal management, the PSI65C0.776-W1 has a water-cooled design. This cooling system dissipates the heat, so the internal components won’t overheat and degrade. A stable operating temperature means better performance and a longer lifespan of the inverter, so it’s a reliable solution for industrial use. The inverter is designed to be installed in switchgear cabinets with a minimum degree of protection of IP 54 so it’s protected from dust and moisture in harsh environments.
And it can operate in ambient temperatures up to 55°C, so it’s stable in high-temperature conditions. The PSI65C0.776-W1 has a control architecture powered by an ARM Cortex-M4 processor with 512KB Flash and 128KB RAM. This processing power allows real-time welding parameter monitoring and control for better weld quality and consistency. Running at 1 kHz, the system is fast enough for dynamic weld condition adjustments. The inverter has an integrated weld timer, so you don’t need additional timing hardware. And has multiple communication ports, Ethernet, RS485, and CAN so you can easily integrate it into industrial automation networks for remote monitoring and control.
Frequently Asked Questions about PSI65C0.776-W1:
Q: What is the output current capacity of the PSI65C0.776-W1?
A: The PSI65C0.776-W1 has a maximum output current of 400 A, and it is capable of handling a maximum secondary current of 20 kA, making it suitable for high-power resistance welding.
Q: What kind of cooling system does the PSI65C0.776-W1 use?
A: The PSI65C0.776-W1 uses a water-cooled design, which ensures effective thermal management, preventing overheating during operation and prolonging the life of the inverter.
Q: What are the communication options available for this inverter?
A: The PSI65C0.776-W1 supports multiple communication protocols, including Ethernet, RS485, and CAN, providing flexible integration into various industrial automation systems.
Q: What is the nominal voltage range of the PSI65C0.776-W1?
A: The PSI65C0.776-W1 operates within a nominal voltage range of 400 to 480 volts and supports both 50 and 60 Hz frequencies, making it adaptable to different industrial settings.
Q: What is the maximum operating temperature of the PSI65C0.776-W1?
A: The PSI65C0.776-W1 can operate in ambient temperatures up to 55°C. This makes it suitable for environments with relatively high temperatures, ensuring reliable performance under challenging conditions.
