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

Why install a Bypass Isolation Transformer?
When generators are installed, it is common to use four pole changeover switchgear or contactors when transferring from mains to generator,...
What Is A Brownout?
A brownout happens when the voltage drops below the usual mains supply level. It is similar to a sag –...
Cascade or Parallel redundancy?
UPS systems can be designed to operate in parallel to increase reliability (redundant systems) or to increase load handling capability (full...
Can I support Air-Conditioning on my UPS?
Air-Conditioning can be considered as a “dirty” load due to continual switching causing voltage and current spikes and surges. The...
What are the benefits of an External Maintenance Bypass Switch?
Capability for total isolation for UPS maintenance, with no disturbance to the load. Greatly reduced cost and size when compared to other...
How To Choose A UPS
At first glance, specifying an uninterruptible power supply seems a complex task. But in essence, whether you’re buying a new UPS system...
What is ECO mode?
ECO mode is often referred to as 'Active Standby' and is mainly used on sites where the general mains supply is relatively stable or the...
Why Do You Need A UPS?
Uninterruptible Power Supplies (UPS) provide short-term emergency backup power in the event of any disturbances or disruptions to the...
How can I remotely monitor my UPS system?
There are two ways in which you can monitor your UPS remotely. One option is to install a wall mounted Remote Panel (MultiPanel) that connects...
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%,...

←
1
2
3
→