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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 687141 1548682980
Riello Sentinel Dual 3kVA Online 230V with No Internal Batteries (UPS)
£641.26 £641.26
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 5kVA Online 230V (UPS)
£1,464.53 £1,464.53
in stock
details >
Critical Power Supplies - Product box 885321 1559044635
Riello Sentinel Dual 2.2kVA Online 230V (UPS)
£572.33 £572.33
in stock
details >
Critical Power Supplies - Product box 1159826 1569591928
Riello Sentryum ACT 20kVA Online 230V (UPS) (No Internal Batteries)
£8,012.10 £8,012.10
in stock
details >
Critical Power Supplies - Product box 384061 1540395860
Eaton 9SX 2kVA Rackmount UPS (5 Minutes Runtime)
£1,148.00 £1,148.00
in stock
details >
Critical Power Supplies - Product box 1159826 1569591928
Riello Sentryum ACT 10kVA Online 230V (UPS) (No Internal Batteries)
£7,062.80 £7,062.80
in stock
details >
Critical Power Supplies - Product box 384061 1540395860
Eaton 9SX 1.5kVA Rackmount UPS (5 Minutes Runtime)
£928.94 £928.94
in stock
details >
Critical Power Supplies - Product box 1159826 1569591928
Riello Sentryum ACT 10kVA Online 400V (UPS) (No Internal Batteries)
£7,361.48 £7,361.48
in stock
details >
Critical Power Supplies - Product box 1159626 1569573028
Riello Sentryum CPT 15kVA Online 400V (UPS) (No Internal Batteries)
£2,538.29 £2,538.29
in stock
details >
Critical Power Supplies - Product box 886481 1559142119
Riello Sentinel Tower 6kVA Online 230V (UPS)
£1,434.53 £1,434.53
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 6kVA Online 230V (UPS)
£1,515.66 £1,515.66
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 10kVA Online 230V with Dual Input and No Internal Batteries (UPS)
£2,172.14 £2,172.14
in stock
details >
Critical Power Supplies - Product box 1159846 1569594866
Riello Sentryum XTD 20kVA Online 400V (UPS) (No Internal Batteries)
£3,349.98 £3,349.98
in stock
details >
Critical Power Supplies - Product box 886481 1559142119
Riello Sentinel Tower 8kVA Online 230V (UPS)
£1,681.34 £1,681.34
in stock
details >
Critical Power Supplies - Product box 1159846 1569594866
Riello Sentryum XTD 10kVA Online 400V (UPS) (No Internal Batteries)
£2,974.34 £2,974.34
in stock
details >
Critical Power Supplies - Product box 1159626 1569573028
Riello Sentryum CPT 15kVA Online 230V (UPS) (No Internal Batteries)
£7,327.46 £7,327.46
in stock
details >
Critical Power Supplies - Product box 384061 1540395860
Eaton 9SX 1kVA Rackmount UPS (6 Minutes Runtime)
£671.40 £671.40
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 10kVA Online 230V (UPS)
£2,125.33 £2,125.33
in stock
details >