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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.

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 243806 1521367904
Salicru SPS Advance T 850VA Line Interactive 230V (UPS)
£131.25 £131.25
in stock
details >
Critical Power Supplies - Product box 1424246 1589700451
Salicru snmp kit card slot for twin pro2
£202.50 £202.50
in stock
details >
Critical Power Supplies - Product box 250979 1522577499
Salicru SLC Twin Pro2 6x9Ahr Extended Battery Module (for SLC Twin Pro2 3kVA)
£306.96 £306.96
in stock
details >
Critical Power Supplies - Product box 251000 1522577504
Salicru SLC Twin Pro2 2x9Ahr Extended Battery Module (for SLC Twin Pro2 700VA/1kVA)
£164.07 £164.07
in stock
details >
Critical Power Supplies - Product box 251007 1522577512
Salicru SLC Twin Pro2 4x9Ahr Extended Battery Module (for SLC Twin Pro2 1.5/2kVA)
£295.77 £295.77
in stock
details >
Critical Power Supplies - Product box 1296176 1579336425
Salicru SLC Twin RT2 4kVA Online 230V (UPS) (Unity Power Factor)
£1,110.00 £1,110.00
in stock
details >
Critical Power Supplies - Product box 1294301 1579249044
Salicru SLC Twin Pro2 4kVA Online 230V (UPS)
£1,018.75 £1,018.75
in stock
details >
Critical Power Supplies - Product box 924051 1560785319
Salicru SPS Advance RT2 2x7Ahr Extended Battery Module (For Advance RT2 800VA,1.1kVA)
£175.00 £175.00
in stock
details >
Critical Power Supplies - Product box 1724776 1608110779
Salicru SLC Twin Pro2 1.5kVA Online 230V (UPS)
£375.00 £375.00
in stock
details >
Critical Power Supplies - Product box 1297851 1579433516
Salicru SLC Twin Pro2 3x20x7Ahr Extended Battery Module (For Twin Pro2 4/5/6/8/10kVA)
£1,162.50 £1,162.50
in stock
details >
Critical Power Supplies - Product box 1297836 1579433509
Salicru SLC Twin RT2 5kVA Online 230V (UPS) (Unity Power Factor)
£1,181.25 £1,181.25
in stock
details >
Critical Power Supplies - Product box 243813 1521371194
Salicru SPS Advance T 1kVA Line Interactive 230V (UPS)
£153.75 £153.75
in stock
details >
Critical Power Supplies - Product box 1723821 1608110724
Salicru SPS Advance RT2 1.1kVA Line Interactive 230V (UPS)
£233.75 £233.75
in stock
details >
Critical Power Supplies - Product box 1297841 1579433512
Salicru UBT 7Ahr Battery Replacement
£25.00 £25.00
in stock
details >
Critical Power Supplies - Product box 250608 1522570622
Salicru rack rails for slc advance rt2 or slc twin rt2
£26.25 £26.25
in stock
details >
Critical Power Supplies - Product box 923961 1560774353
Salicru UBT 12Ahr Battery Replacement
£34.38 £34.38
in stock
details >
Critical Power Supplies - Product box 923956 1560773908
Salicru UBT 9Ahr Battery Replacement
£28.13 £28.13
in stock
details >
Critical Power Supplies - Product box 923966 1560775913
Salicru UBT 17Ahr Battery Replacement
£47.50 £47.50
in stock
details >