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Uninterruptible Power Supplies (UPS)
Uninterruptible power supplies brought to you by one of the UK’s leading emergency power solution experts: Critical Power Supplies. Our independent manufacturer status and in-depth industry knowledge allows us to create bespoke, environmentally-friendly packages that deliver on every level. So, whether you’re looking for advice on ups systems, static transfer switches or power distribution units, get in touch and see how we can change the way you work.
We work with the most renowned brands and manufacturers to provide high performing uninterruptible power supply for a wide variety of sectors including education and transport. Browse our uninterruptible power supplies today, in addition to other emergency power solutions including power cables and fire suppression systems. Alternatively, contact us today if you would like to find out further information regarding our critical power solutions.
Best Sellers
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APC Back UPS 850va 230v
BE850G2-UK
£102.95 Ex. VAT £123.54 Inc. VAT Add to basket -
Eaton 93ps double-conversion (online) 40000VA tower black uninterruptible power supply (ups)
BF02A0306A010000
Find out how you can order below
How to buy Read more -
Vertiv Liebert GXT5 1ph UPS, 3kVA, input plug IEC C20 inlet, 2U, output – 230V, output socket groups (8)C13 & (1)C19
GXT5-3000IRT2UXLE
£1,659.02 Ex. VAT £1,990.82 Inc. VAT Add to basket -
APC NetShelter Pod Containment, End of Row Distribution Cabinet, Split
FS-AC-7002-B
Find out how you can order below
How to buy Read more
UPS Power Supply Experts


We are here when you need us most
As a client of Critical Power Supplies, you can expect 24×7 support whether on the phone, by email or on-site because we always deliver on our promise to keep you operational and your satisfaction is paramount to everything we do.
Our brands
Shown below is a small selection of some of our customers we have helped through understanding clients challenges and implementing our unique approach to helping clients built around: listening to our clients, understanding the challenges they face and providing a range of options which compliments their requirements. Our aim is not to sell products but provide solutions with the help of our in house Power Consultants and Electricians.