Reliable power for a sustainable world

  Riello Connect   


Call: +44 (0)1978 729 297
Why Choose Riello UPS?


Riello UPS is Europe’s leading manufacturer of uninterruptible power supplies. Our award-winning product range offers unparalleled protection for your critical equipment combined with exceptional energy efficiency and unbeatable flexibility. 

Our products span from 400 VA to 6.4 MVA and include freestanding, rackmount and modular solutions. 

UPS systems from Riello UPS are a proven choice for everything from small desktop or laptop PCs to data centre supercomputers, factory equipment operating in the harshest industrial environments, and life-saving electro-medical devices. 

We compliment these high-performing products with unmatched aftercare and support services from our vastly experienced and friendly UK-based team.  

Get peace of mind from our transparent UPS maintenance contracts with 100% guaranteed response times and benefit from extended 5 year warranties as standard on all UPS up to and including 3 kVA.  

With the biggest stock of UPS systems and spares in Britain, you’ll get what you need and fast, with next-day or even same-day delivery available.  


Uninterruptible Power Supplies


Online UPS


Online uninterruptible power supplies provide maximum protection through utilising the latest double conversion (voltage and frequency independent) technologies. 

Our range of online UPS systems isolates your critical load from virtually all types of power problem (i.e. mains failure, brownouts, surges, and harmonics). Choose from single-phase, three-phase and dual input UPS. 

Rackmount UPS


Rackmount uninterruptible power supplies provide proven power protection across your server rooms, data centres, small offices and other IT environments. 

Our range of rackmount devices include line-interactive models ideal for backing up your peripherals or office computer systems along with models perfect for protecting mission-critical servers and networks. 

Modular UPS


Modular uninterruptible power supplies offer unbeatable protection in a compact footprint with the simple scalability to “pay as you grow” as and when your requirements change. 

Our range of modular solutions reduce the risk of wasteful oversizing at initial installation and ensure your system runs at maximum efficiency. Hot-swappable modules guarantee downtime-free maintenance. 

UPS Services

UPS Maintenance


Our UPS maintenance contracts set the industry standard. Emergency Response Times range from 4 clock to 12 working hours, while our Diamond plan offers a 4 hour response with an 8 hour fix – guaranteed. 

UK-based tech support is available 24/7/365. All our service engineers are fully trained and certified. And with the UK’s largest stock of UPS and replacement parts, you can get spares with next-day or even same-day delivery. 

Commissioning & Installation


Our friendly and expert Sales and Technical teams offer a complete range of onsite UPS services. Electrical installations meet strict NICEIC guidelines and are undertaken by certified engineers qualified to IEE standard.  

UPS commissioning includes everything so you can be sure your system is safely and correctly installed so it's good to go. We’ll also provide a full demonstration and comprehensive training so you can get the most out of your new UPS. 

​Battery Replacement


We make sure you aren’t left feeling drained by partnering with all leading UPS battery manufacturers. Evaluate the condition of your battery strings with our range of battery testing, including impedance and load bank testing. 

And when your battery blocks are finally out of juice, we’re fully registered with the Environment Agency so you can be rest assured we’ll dispose of your old batteries in a safe, secure and environmentally-friendly way, no fuss.