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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 679251 1547971748
Vertiv Liebert slide kit for rack installation - 18/32"
£75.35 £75.35
in stock
details >
Critical Power Supplies - Product box 2067201 1631111217
Vertiv IntelliSlot RDU101 Ethernet 100 Mbit/s Internal
£259.16 £259.16
in stock
details >
Critical Power Supplies - Product box 2058416 1630485735
Vertiv Liebert intellislot unity card
£203.69 £203.69
in stock
details >
Critical Power Supplies - Product box 1489636 1597311450
Vertiv Edge 1500VA Line Interactive 230V UPS (6 Minutes Runtime) (2U)
£547.31 £547.31
in stock
details >
Critical Power Supplies - Product box 2065741 1630830725
Vertiv Liebert GXT5 3kVA Online 230V (UPS)
£1,473.01 £1,473.01
in stock
details >
Critical Power Supplies - Product box 1743421 1608112864
Vertiv Liebert external battery cabinet 240v for gxt4 5-6-10kVA rt
£905.00 £905.00
in stock
details >
Critical Power Supplies - Product box 1489636 1597311450
Vertiv Edge 3000VA Line Interactive 230V UPS (6 Minutes Runtime) (2U)
£1,093.79 £1,093.79
in stock
details >
Critical Power Supplies - Product box 33055 1500036357
Vertiv PSP PSP650mt3-230u
£87.77 £87.77
in stock
details >
Critical Power Supplies - Product box 2065721 1630830723
Vertiv Liebert GXT5 1kVA Online 230V (UPS)
£624.31 £624.31
in stock
details >
Critical Power Supplies - Product box 1487641 1597157404
Vertiv Edge 750VA Line Interactive 230V UPS (5.9 Minutes Runtime)
£299.74 £299.74
in stock
details >
Critical Power Supplies - Product box 1487631 1597146719
Vertiv Edge 500VA Line Interactive 230V UPS (5 Minutes Runtime) (1U)
£368.46 £368.46
in stock
details >
Critical Power Supplies - Product box 1723316 1608110673
Vertiv Liebert GXT5 6kVA Online 230V (UPS)
£2,595.78 £2,595.78
in stock
details >
Critical Power Supplies - Product box 2064751 1630739555
Vertiv Liebert GXT5 8kVA Online 230V (UPS)
£3,364.99 £3,364.99
in stock
details >
Critical Power Supplies - Product box 1487631 1597146719
Vertiv Edge 1000VA Line Interactive 230V UPS (5 Minutes Runtime) (1U)
£490.18 £490.18
in stock
details >
Critical Power Supplies - Product box 1487641 1597157404
Vertiv Edge 1500VA Line Interactive 230V UPS (6 Minutes Runtime)
£547.31 £547.31
in stock
details >
Critical Power Supplies - Product box 1487641 1597157404
Vertiv Edge 1000VA Line Interactive 230V UPS (5 Minutes Runtime)
£365.98 £365.98
in stock
details >
Critical Power Supplies - Product box 2065736 1630830724
Vertiv Liebert GXT5 1.5kVA Online 230V (UPS)
£825.52 £825.52
in stock
details >
Critical Power Supplies - Product box 1734626 1608112038
Vertiv Liebert gxt5 / 5 - 10 kva external battery cabinet
£1,022.58 £1,022.58
in stock
details >