Onis Visa FOX and BiGFOX: the compact serie The Fox range represents the most compact version of the industrial series, with power outputs ranging from 9 to 60 kVA at 50 or 60 Hz, it is suitable for a wide target of applications. Thanks to its compactness, low-noise and sturdy structure, the range is suitable to produce backup power to allow the full functionality of the systems in the event of any power outage or it can be used as uninterruptible power supply for example in the telecommunication sector where it is used in remote areas to supply BTS stations or in mountain refuge installations. Due to its technical features and a wide range of accessories which allows various degrees of customization, the Fox series can be easily used in many different sectors and weather conditions, even the most extreme ones. The modularity and dimensions of the Fox range allow the machine batches to be transported in containers, even with oversized fuel tanks.