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Single or Three phase UPS?
here are many aspects which affect the choice of module. Totally single phase units are rarely available beyond 20 kVA, above this size it is...
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%,...
What should be considered when buying a UPS system?
Existing Installations Consider a central back-up system to eliminate expensive re-cabling. Wise to involve a company specialising in power...
What is a Bypass Switch?
Static Bypass switches are used to bypass the UPS normal operation, in cases of high inrush or fault conditions. Manual bypass switches are an...
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...
What is a Blackout?
A blackout is when the power totally fails. The damage that a blackout causes to your system depends a great deal on its timing. If the system...
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 'Line Interactive' UPS?
Line interactive technology sits between offline and online. The load is fed from mains during normal operation, however unlike...
What is a 10 years battery?
10 years is the generic term given to high integrity batteries that fully comply with IEC60896-2 in terms of construction, performance and...
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,...