Want to save money
and maximise budget?

  • UPS Rentals from only £850 a week
  • No fixed term contract
  • Pre-assembled and ready for use

This solution is perfect for Facility Managers

  • Delivered, installed and operational within 24 hours
  • 24/7 support
  • Low footprint container, easy to accommodate on your site.
  • No fixed term contract.
  • No problem with high loads, upto 252kW available now

Want a UPS up and running within 24 hours? Find out how little it can cost by using our online pricing calculator.

Get a quote

The Multibox252 can be positioned on site with ease.

multibox crate close up | constantpower.co.uk

CPS are one call away to assist or answer any questions you may have.

A low cost solution to your power problems

Why rent a Containerised UPS? Because it’s simple. We have our own engineers to assist with installation and monitoring, freeing up your precious resources, you have the flexibility of a short or long-term lease which will fit any budget and with its compact footprint it can be sited with ease with minimal disruption.

The Multibox252 is a perfect solution to a short and long term problem. If you require resilient back up in a hurry to resolve an immediate issue or for a temporary time while project delays have hindered progress, Constant Power Services has the solution.

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Available within 24 hours the 10’ container can be delivered, installed and operational. With a first-class engineering team on hand, our lease option ensures that there is someone available to assist with any technical problem or monitoring issues.

This solution is ideal for a client who requires backup but is not completely sold on the idea or perhaps feels that the initial costs are out of their budget. The lease option allows them to try before they commit to a capital expenditure. They can then look at purchasing the system at a reduced/offset rate.

multibox inside view | constantpower.co.uk

The container can provide up to 252kva N+1 and utilises a high efficiency UPS.

multibox a open door | constantpower.co.uk

Warehouse the only available space for your IT back up system, at 10ft square and self-contained it’s no problem.

A great investment, suited to every situation

Purchasing the container becomes an ideal investment when you have multiple sites which require refit or modernisation. Adding this container to your assets will pay for itself over and over again.

The container will come already assembled off site which means that you really are receiving the complete package with no interruption to your existing setup and with the added benefit of it being weather proof and in a durable container it can be situated in outbuildings, car parks or on the roof.

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Admiral Office relocation is plain sailing

“As a business technology underpins everything we do. It’s critical that are services and systems are available whenever our staff and customers need them.”

Huw Llewellyn,
Head of Property, Admiral Group.

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Providing protection across the miles

“We had complete confidence that Constant Power Services understood our requirements and demonstrated willingness to engage with our way of working.”

Phillip Jackson,
Project Supply Manager, Airbus Defence and Space.

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admiral insurance building | constantpower.co.uk

Office relocation is plain sailing

“CPS listened carefully to what we wanted and proposed a technical solution that was tailored to our very precise needs. Before procuring the equipment it was tested rigorously against other options, such as transformer-less units, and although some of these alternatives were cheaper to purchase, they weren’t robust enough to support our mission-critical infrastructure.”

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Technical Details for our containerised UPS

A compact 10ft ISO Container houses an impressive 252kW N+1 UPS cabinet.  The Riello Multipower (MPW) is the ultimate modular UPS for datacentres and other critical loads, as demand increases the Riello MPW UPS can expand its power capability.  Featuring the very latest three level Neutral point clamped inverter and power factor corrected input control, this scalable solution can support from 42kW to 252kW and can be located with ease.




42kW+ 1







Input Terminals

Dual Feed Copper Bars for Lugged Cables + ATS connections for transfer of Mains/Genset or Duty/Standby

Nominal Voltage

400Vac + Neutral + Earth

Voltage Range

320-480Vac @ load 100% / 240-480Vac @ load 50%

Input Current







Nominal Frequency

50 or 60 Hx ±5Hz

Power Factor


Current Distortion



Output Terminals

Copper Bars for Lugged Cables

Nominal Voltage

400Vac + Neutral + Earth (configurable to 380/400/415Vac)

Voltage Distortion

< 2% with linear load / < 3% with non-linear load

Output Current








> 100%


Autonomy (mins@kW)








Dual String

Power Module


42kVA / 42kW

AC/DC Efficiency (% load)

95.8% (@100%)

96.1% (@75%)

96.2% (@50%)



Gross weight (kg)


Dimensions (hwd) (mm)

2590 x 2430 x 3000


Battery Section - Air Conditioned / UPS Section - Forced Air (3800m3/h)

Manual Bypass



"Riello Connect" GSM Remote Monitoring Facility

Engineers Support

Rapid Response 4hr Call Out Facility

Operating Temperature


Max Relative Humidity

90% (without condensation)

If you would like further information on any of our services or have a question for our expert Sales and Project team please get in touch

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