web supervisor

Tourism and Big Events

Tourism and Big Events |  Onis Visa Generators

Ensuring Guest Safety in Hotels: best practice for handling utility outages

Recent severe weather events have resulted in serious hurricanes, tropical storms, heavy snowfalls, strong hurricane-force winds and widespread storm surges and flooding.

During many of these events, utility power supplies could be knocked out, forcing residents and businesses, including hotels, to rely on emergency generators to provide electricity.

Even more than a sense of comfort and style, the quality of the welcome, or even the level of service, hotel guests want to feel safe and secure in their hotel.

The hotel operator must take this responsibility seriously and understand that this concern knows no international boundaries. It is an important part of a hotel's duty of care. To ensure this sense of security, hotels must observe their local and national regulations, but be ready to go beyond these rules, incorporating the latest and best international practices.

Emergency generators are installed in hotels to prevent hazards associated with loss of utility electric power supplies. The reliability of power supplies for Fire and Life Safety Systems is fundamental.

In a hotel, the automatic power transfer switches that transfer the electricity source to the emergency generator, must be timed to provide electric power within 10 seconds of loss of utility power supply.

The life safety loads include:
• Illumination of the exits from a hotel building leading to the specific assembly points
• Alarm and alerting systems such as the fire alarm system
• Controlled emergency communication systems
• Emergency generator-set room lighting
• Fire suppression systems
• Smoke management systems

Don’t turn a good accommodation experience in disaster, buy an Onis Visa Genset

Tripadvisor rewiew

Big events

Whether you need backup or portable power, Visa SpA has the power solution for you and your event.
The perfect solution: two generators that work in parallel in one container, providing fully redundant backup power at all times. These units are also super-silenced with very low noise emissions.
Both generating sets are able to keep the 100% of the electric load. In case one of them breaks down, the second genset immediately gets the whole load, without any interruption.
Visa SpA, the perfect partner when uninterrupted power is needed.






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
newsletter subscription
facebook like