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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 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...
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...
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...
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...
Why choose 'Transformer-based' or 'Transformer-less' UPS?
Transformer based Traditional technology, typically available from 10 kVA, suitable for industrial applications, galvanic isolation with...
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,...
What is a Static Inverter?
A static inverter is virtually the same as a UPS system except they are configured to operate in 'active standby' mode with the bypass...
What should be considered when selecting a battery?
Type of enclosure - Sealed or Vented - Design life 5, 8 to 10 or 10+ years - Standard or BS6290 part 4 compliant - Battery Autonomy - Floor...

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