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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.

Critical Power Supplies - Datacentre Banner

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.

Online UPS Systems

Online UPS systems are the top line UPS that provide you with a wide range of features to help protect your equipment from a power failure to overvolting. One of the features that an Online UPS system offers is that it double converts the current from AC to DC and then from DC back to AC but with the ideal output power. This feature is what isolates connected equipment from blackouts, brownouts, overvoltage, surges, line noise and electrical impulses. A typical On-line UPS regulates its voltage within +-2-3%.

Browse the full UPS online range below or get in touch with us today if you have any questions or require further information on our online UPS systems.

We only have suppliers who meet our supply chain standards for quality (ISO 9001), health and safety (ISO 18001), and environmental management (ISO 14001).

To learn more about our trade-in program check our blog out here.

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Critical Power Supplies - Product box 885321 1559044635
Riello Sentinel Dual 2.2kVA Online 230V (UPS)
£543.98 £543.98
in stock
details >
Critical Power Supplies - Product box 34498 1570456443
Riello Sentinel Pro 3kVA Online 230V (UPS)
£478.19 £478.19
in stock
details >
Critical Power Supplies - Product box 885251 1559044501
Riello Sentinel Dual 3kVA Online 230V (UPS)
£616.36 £616.36
in stock
details >
Critical Power Supplies - Product box 687141 1548682980
Riello Sentinel Dual 3kVA Online 230V with No Internal Batteries (UPS)
£608.86 £608.86
in stock
details >
Critical Power Supplies - Product box 687141 1548682980
Riello Sentinel Dual 2.2kVA Online 230V with No Internal Batteries (UPS)
£544.06 £544.06
in stock
details >
Critical Power Supplies - Product box 1725611 1608110855
APC Smart-UPS SRT 3kVA Online 230V (UPS) (2U)
£2,190.45 £2,190.45
in stock
details >
Critical Power Supplies - Product box 1722831 1608110646
APC smart-ups srt 1500va rm 230v network card uninterruptible power supply (ups) double-conversion (online) 1500 w
£1,384.31 £1,384.31
in stock
details >
Critical Power Supplies - Product box 1727626 1608111012
APC Smart-UPS SRT 6kVA Online 230V (UPS)
£3,773.42 £3,773.42
in stock
details >
Critical Power Supplies - Product box 1727171 1608110983
Tripp lite 3000va 2700w smartonline 230v 3kva 2700w on-line double-conversion ups, tower, extended run, network card options, lcd, usb, db9
£780.76 £780.76
in stock
details >
Best Seller
Critical Power Supplies - Product box 34498 1570456443
Riello Sentinel Pro 2.2kVA Online 230V (UPS)
£420.48 £420.48
in stock
details >
Critical Power Supplies - Product box 1722846 1608110646
APC smart-ups srt 1500va rm 230v uninterruptible power supply (ups) double-conversion (online) 1500 w
£1,076.51 £1,076.51
in stock
details >
Great Value
Critical Power Supplies - Product box 1725616 1608110855
APC Smart-UPS SRT 2.2kVA Online 230V (UPS)
£1,403.85 £1,403.85
in stock
details >
Critical Power Supplies - Product box 1159726 1573044443
Riello Sentryum ACT 20kVA Online 400V (UPS) (No Internal Batteries)
£7,820.50 £7,820.50
in stock
details >
Critical Power Supplies - Product box 34498 1570456443
Riello Sentinel Pro 2.2kVA Online 230V with No Internal Batteries (UPS)
£423.58 £423.58
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 4kVA Hardwired UPS (4 Minutes Runtime)
£803.69 £803.69
in stock
details >
Critical Power Supplies - Product box 34498 1570456443
Riello Sentinel Pro 700VA Online 230V (UPS)
£235.25 £235.25
in stock
details >
Critical Power Supplies - Product box 211530 1505988197
Riello Sentinel Dual 8kVA Online 230V (UPS)
£1,924.33 £1,924.33
in stock
details >
Critical Power Supplies - Product box 886461 1559126816
Riello Sentinel Dual 8kVA Online (UPS)
£1,972.93 £1,972.93
in stock
details >