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Rental Division

Rental Division

Sometimes depending on power gensets with ultimate reliability is crucial to sustain power supply to the most sensitive operations in the most demanding conditions. Onis Visa fleet of 300 sound-attenuated generators of recent production ranging from 9.0 to 2000.0 kVA, are designed and developed to deliver a high quality service for non-stop power performance, all of them equipped with safety features that comply with the strictest regulations and standards. Different versions are available to meet your every need. Amongst the services available, Visa SpA provides dedicated consultation for projects’ study and development, as well as it grants crane trucks for the delivery and for the pick-up of the machines. Gensets are backed by first class after-sales support: high-qualified and specifically trained technicians operate 24/7 to provide any necessary support. Installation and start-up operation’s support is available as well, on request. Whatever the reason for power shortage, Visa SpA grants fast, reliable and cost-effective solution.


With star the start of each of the three phases is connected together. Connections are taken from the ends of the three phases to give the three phases
Star symbol voltage


With Delta the starts and ends of the phases are connected. The end of phase 1 is connected to the start of phase 2, the end of phase 2 to the start of phase 3, and the end of phase 3 to the start of phase 1. Connections are taken from the three start-end points to give the three phases.
Delta symbol voltage
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