FAQs

Reliable power for a sustainable world

Riello Connect

Call: +44 (0)1978 729 297
UK
Login

Call: +44 (0)1978 729 297

Search our knowledge base

All

What does Autonomy mean?
The battery duration at a specified load level is referred to as the battery “autonomy”. A UPS battery can be sized to support loads...
When would I need a Generator?
Generators are usually used where there is likelihood that the load cannot be off for any length of time or in areas where the mains supply is...
Why Do You Need A UPS?
Uninterruptible Power Supplies (UPS) are essential devices that provide short-term emergency backup power in the event of any disturbances or...
What is a 'Line Interactive' UPS?
Line Interactive (VI - Voltage Independent) UPS operate similarly to an Offline UPS, with the addition of a built-in Automatic Voltage Stabiliser...
What is a Temperature Compensated Charger?
Variations in ambient temperature presents the greatest threat to battery installations. Special circuitry can be incorporated in the UPS to...
Input filters or 12 pulse rectifiers?
With current recommendations demanding lower levels of input harmonics (THDi) it is more common for larger systems to require some form of input...
Do I require a 12 Pulse rectifier or Input filter with the MHT range of UPS?
By selecting a UPS from our MHT range you can rely on the advanced rectifier design to dramatically reduce input current harmonics to <3%,...
How To Size A UPS Battery
The battery within a UPS must be sized to provide a specified runtime, in minutes or hours, at a specific load. Load-specific factors are...
Considerations when choosing a UPS and Generator combination?
It is usually beneficial to deal with one supplier for both items as this eliminates the potential conflict if the equipment does not work well...
What is a Brownout?
A brownout, sometimes also called a ‘sag’, is a "dip" in the voltage level of the electrical line. When a brownout occurs,...

←
1
2
3
→