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Critical Power Supplies - Maintaining a rack

Do you need help installing?
We can help you.

We provide a range of on-site services whether your project is for a single UPS and Generator or remote monitoring across multiple sites.

Critical Power Supplies - Project Planning

Get a head start with our FREE
Project Management Consultation.

Why not use our project management services to help you have a smooth and pain free project.

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Trade-In your UPS with us

Trade-in your old UPS for a same or higher spec model*

Critical Power Supplies - Maintaining a rack

Do you need help installing?
We can help you.

We provide a range of on-site services whether your project is for a single UPS and Generator or remote monitoring across multiple sites.

Critical Power Supplies - Project Management and Planning

Get a head start with our FREE
Project Management Consultation.

Why not use our project management services to help you have a smooth and pain free project.

Critical Power Supplies - Datacentre Banner

Trade-In your UPS with us

Trade-in your old UPS for a same or higher spec model*

*Terms and conditions apply.

Uninterruptible Power Supplies

Uninterruptible Power Supplies or UPS is our speciality here at Critical Power Supplies. With a wide range of UPS systems for all types of applications from home and domestic use up to heavy industry and medical uses, you are sure to find the UPS power supply that you require. Do you need a rack mount solution for your servers or UPS battery backup? For whatever your needs are we can provide you with an uninterruptible power supply.

In our collection you will find all of the uninterruptible power supplies that you require from line interactive UPS to online UPS systems. We also stock an extensive selection of UPS battery replacements and 3 phase UPS systems.

You will find leading manufacturers in our collection including APC, Eaton and Riello, so you can expect nothing less than outstanding performance with our products. We only have suppliers who meet our supply chain standards for quality (ISO 9001), health and safety (ISO 18001), and environmental management (ISO 14001). Browse our uninterruptible power supplies in full below or contact us today if you have any questions regarding our range.

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Critical Power Supplies - Product box 683186 1548247391
Riello iPlug 800VA Offline 230V (UPS)
£75.79 £75.79
in stock
details >
Best Performance
Critical Power Supplies - Product box 1722766 1608110642
APC Back-UPS 850VA, 230V, USB Type-C and A charging ports
£90.38 £90.38
in stock
details >
Critical Power Supplies - Product box 1364571 1583750119
CyberPower BricLCD 1kVA Line Interactive 230V (UPS)
£101.08 £101.08
in stock
details >
Critical Power Supplies - Product box 1025001 1562165353
Riello iDialog 400VA Offline 230V (UPS)
£63.13 £63.13
in stock
details >
Critical Power Supplies - Product box 2014456 1627919642
CyberPower PFC Sinewave 1.5kVA Line Interactive 230V (UPS)
£236.26 £236.26
in stock
details >
Best Seller
Critical Power Supplies - Product box 1024991 1562165280
Riello iDialog 1.6kVA Offline 230V (UPS)
£131.98 £131.98
in stock
details >
Critical Power Supplies - Product box 1364581 1583750124
CyberPower BricLCD 1.2kVA Line Interactive 230V (UPS)
£136.45 £136.45
in stock
details >
Great Value
Critical Power Supplies - Product box 34827 1500036357
APC Back-UPS 400, 230V, BS1363
£72.49 £72.49
in stock
details >
Best Performance
Critical Power Supplies - Product box 34498 1570456443
Riello Sentinel Pro 1.5kVA Online 230V (UPS)
£335.49 £335.49
in stock
details >
Critical Power Supplies - Product box 1727496 1608110998
APC Back-UPS 700VA, 230V, AVR, IEC Sockets
£62.57 £62.57
in stock
details >
Critical Power Supplies - Product box 35192 1500036357
Riello Net Power 2kVA Line Interactive 230V (UPS)
£188.68 £188.68
in stock
details >
Critical Power Supplies - Product box 32834 1500036357
APC Power-Saving Back-UPS Pro 1500, 230V
£463.32 £463.32
in stock
details >
Best Performance
Critical Power Supplies - Product box 35192 1500036357
Riello Net Power 1.5kVA Line Interactive 230V (UPS)
£158.30 £158.30
in stock
details >
Critical Power Supplies - Product box 32964 1500036357
Riello Vision Tower 1.1kVA Line Interactive 230V (UPS)
£235.25 £235.25
in stock
details >
Critical Power Supplies - Product box 32964 1500036357
Riello Vision Tower 1.5kVA Line Interactive 230V (UPS)
£282.84 £282.84
in stock
details >
Best Seller
Critical Power Supplies - Product box 885336 1559046342
Riello Net Power 1kVA Line Interactive 230V (UPS)
£118.81 £118.81
in stock
details >
Critical Power Supplies - Product box 35256 1500036357
APC Back-UPS 325, 230V, BS1363
£76.02 £76.02
in stock
details >
Best Seller
Critical Power Supplies - Product box 34823 1500036357
APC Back-UPS 500, 230V
£100.31 £100.31
in stock
details >