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Can you connect two UPS in series?

Can two UPS be connected in series

We had one of those unusual applications through last week. A customer had a load of 1000W that he needed to run for an hour. Simples – using our UPS calculator we can get one of our rack/tower VFI3000B units with 2 battery packs and problem solved. Or not. Problem is there is a maximum […]

Lithium-Ion UPS vs VRLA UPS

Lithium UPS

Our Lithium Ion UPS range is an impressive series of UPSs with internal Lithium Ion batteries, that make the units efficient, lightweight and more environment friendly. They also reduce the whole life costs of the UPSs. We have conducted some tests to show you how the Lithium-Ion UPS compares to the VRLA UPS in terms […]

Top 5 interesting facts about UPS

Facts about Uninterruptible Power Supply

You probably know how Uninterruptible Power Supplies work and what their purpose is, but we have the top 5 interesting facts about UPSs that you probably didn’t know! 1. INVENTOR – UNKNOWN The history of Uninterruptible Power Supplies is somewhat a mystery – nobody can name one person or one date when UPSs systems were […]

Transfer times in UPS – what are they and how will they affect my equipment?

Transfer time in UPS

“What is transfer time in UPS?” The definition of transfer time, sometimes also called switchover time, says it is the amount of time a UPS will take to switch from utility to battery supply during a mains failure, or from battery to mains when normal power is restored. What this means is that when the […]

How to cope when there’s a Power Cut

Power Cut

What to do when you have no power, no electricity and you have a power outage. A guide to cope when there’s no electricity at work or at home. Simple FAQs and steps you can take to get through a power cut.

UPS vs Tubular Motor Cross Reference Guide

How to select correct UPS for door applications

A cross reference guide with details of power requirements of typical tubular motors and an appropriate UPS choice.