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Onis Visa Generating sets – The ideal solution for backup power systems or continuous power usage
Offering reliability, durability, and customization to meet every need.
The ONIS VISA genset range by Visa SpA is the ideal choice for backup power or continuous operation across different sectors. Our product selection offers customizable options to suit diverse applications, ensuring reliable performance even in the most demanding conditions.
Visa SpA is an internationally renowned company specializing in the design, production, sales, and rental of generating sets, motor pumps, and innovative power solutions. With decades of experience, Visa delivers reliable and efficient energy systems tailored to meet the needs of industries worldwide.
Discover our commitment to quality, innovation, and exceptional service.



ONIS VISA Generators – Reliable Power for Every Application
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Backup Power: Ensure uninterrupted operation of critical systems by supplying power to key services across various industries. Whether for hospitals, shopping centers, or large data centers, ONIS VISA generators seamlessly integrate with electrical systems and activate automatically during power outages.
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Continuous Operation: ONIS VISA generators serve as a primary power source in remote areas, overcoming grid access challenges. We offer advanced solutions for noise reduction, emission control, and seamless integration with renewable energy systems.
- Temporary Power: For secure electricity supply during events or extended power outages, reliable generators are essential. Whether you're a rental provider, construction contractor, or event organizer, ONIS VISA mobile generators offer quiet, durable, and high-performance solutions tailored to your needs.
Discover Visa SpA’s expertise in delivering reliable, long-lasting, and customized energy solutions to meet the demands of every industry.
Visa SpA is a leading Italian company that designs and manufactures generating sets and power stations and has been successfully present in the market since 1960. With its network currently present in more than 100 countries in the world, Visa SpA offers the most suitable solutions with a high standard of quality and technology in many areas and countries.
"ONIS VISA" gensets and power stations, ranging from 9 to 3.000 kVA, are completely manufactured in Italy and offer the best technological and quality features.
Thanks to a research and development team of engineers, who are completely dedicated to designing customized solutions and developing special and sophisticated projects for more complex applications, Visa SpA can support its clients assuring the highest quality solutions.