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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 - Maintance for you

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.

Three Phase UPS Systems

Ideal for marine, industrial applications and Data Centre Applications three phase UPS systems really pack a punch in terms of power protection. Unlike single phase UPS that are designed for smaller, more confined applications, three phase systems have been designed to handle high-rated power applications, spread across the enterprise, reliably and with ease.

UPS three phase systems operate at high efficiency and in double conversion mode for additional reliability. They can be installed in parallel N+1 configurations to enhance system resilience and ensure no single point of failure in the system. Paralleling in this way is also scalable as each UPS in the system is a module in its own right; as your application expands, so too can your UPS system.

Critical Power Projects supplies a variety of sizes (10kVA to 200kVA) of UPS three phase solutions from the leading manufacturers across the globe. We are independent from our manufacturers so are free to choose the best products for your specific solution.

Modern three phase UPS designs also cater for different installation requirements and are floor standing, rack mounted or modular, which can be adapted and suited to the amount of space you have to dedicate to your power protection solution.

If you would like to know more about our range of UPS three phase systems, or if you would like impartial advice on UPS, a site survey or quotation, please call: 0800 978 8988, fill in our contacts form, or send us an email with your details and we’ll call you.

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Critical Power Supplies - Riello Multi Plus UPS Three phase with a
Riello Multi Sentry 10kVA Online UPS (No Internal Batteries)
£2,740.63 £2,740.63
in stock
details >
Critical Power Supplies - Riello Multi Sentry UPS 20kVA from Critic
Riello multi sentry 10kva MST 10-A0 UPS (No Internal Batteries)
£2,740.97 £2,740.97
in stock
details >
Critical Power Supplies - Riello Multi Sentry UPS 20kVA from Critic
Riello multi sentry 12kva MST 12-A0 UPS (No Internal Batteries)
£2,807.29 £2,807.29
in stock
details >
Critical Power Supplies - Riello Multi Sentry UPS 20kVA from Critic
Riello multi sentry 15kva MST 15-A0 UPS (No Internal Batteries)
£2,890.31 £2,890.31
in stock
details >
Critical Power Supplies - Riello Multi Sentry UPS 20kVA from Critic
Riello multi sentry 20kva MST 20-A0 UPS (No Internal Batteries)
£3,006.75 £3,006.75
in stock
details >
Critical Power Supplies - Salicru slc-5000-twin pro2 b1
Salicru slc 5000 twin pro2 b1 on-line double conversion UPS from 4 to 20 kva
£720.09 £720.09
in stock
details >
Critical Power Supplies - Salicru slc-8000-twin pro2 b1
Salicru slc 8000 twin pro2 b1 on-line double conversion UPS from 4 to 20 kva
£955.30 £955.30
in stock
details >
Critical Power Supplies - Multi Plus Large UPS for Datacentre UPS
Riello multi sentry 125kVA UPS
£8,434.08 £8,434.08
in stock
details >
Critical Power Supplies - Salicru slc 5000 twin rt2 b1 double-
Salicru SLC Twin RT2 5kVA Extended Runtime UPS (No Internal Batteries)
£668.45 £668.45
in stock
details >
Critical Power Supplies - Salicru SLC Twin RT2 6kVA Extended R
Salicru SLC Twin RT2 6kVA Extended Runtime UPS (No Internal Batteries)
£668.45 £668.45
in stock
details >
Critical Power Supplies - Salicru slc-4000-twin pro2 b1
Salicru slc 4000 twin pro2 b1 on-line double conversion UPS from 4 to 20 kva
£679.93 £679.93
in stock
details >
Critical Power Supplies - Salicru slc-6000-twin pro2 b1
Salicru slc 6000 twin pro2 b1 on-line double conversion UPS from 4 to 20 kva
£765.99 £765.99
in stock
details >
Critical Power Supplies - Salicru slc-8000-twin/3 pro2 b1
Salicru slc 8000 twin/3 pro2 b1 on-line double conversion UPS from 4 to 20 kva
£1,012.66 £1,012.66
in stock
details >
Critical Power Supplies - Salicru slc 8000 twin rt2 b1 double-
Salicru SLC Twin RT2 8kVA Extended Runtime UPS (No Internal Batteries)
£1,127.41 £1,127.41
in stock
details >
Critical Power Supplies - Salicru SLC Cube 3+ UPS
Salicru SLC Cube 3+ 7.5kVA 95% Efficiency UPS (No Internal Batteries)
£2,519.84 £2,519.84
in stock
details >
Critical Power Supplies - Salicru SLC Cube 3+ UPS
Salicru SLC Cube 3+ 10kVA 95% Efficiency UPS (No Internal Batteries)
£2,580.11 £2,580.11
in stock
details >
Critical Power Supplies - Salicru SLC Cube 3+ UPS
Salicru SLC Cube 3+ 15kVA 95% Efficiency UPS (No Internal Batteries)
£2,795.32 £2,795.32
in stock
details >
Critical Power Supplies - Salicru SLC Cube 3+ UPS
Salicru SLC Cube 3+ 20kVA 95% Efficiency UPS (No Internal Batteries)
£2,998.00 £2,998.00
in stock
details >