Welcome to NSSE - your backup power solution for UK businesses

With 33 years of expertise in power protection, we are the UK's foremost UPS specialists. We offer both off-the-shelf and custom UPS solutions from the world’s most trusted brands, backed by a combined 100+ years of experience in UPS system installations. All our work comes with a 3-year warranty, our unparalleled support and maintenance services guarantee complete peace of mind. When your mains utility fails you, we will ensure your business continuity.

33 years specialising in power protection.

485 UPS systems maintained and serviced each year.

3,324 UPS and generator installations since 1992.

Next day delivery for many of our products. Please call our knowledgeable sales team for expert advice, pricing and availability - 0333 222 4000.

Uninterruptible Power Supply Products

Uninterruptible Power Supplies (UPS), Maintenance Bypass Switches, PDUs and Cables.

UPS Products - Uninterruptible Power Supply for Data Centre

Uninterruptible Power Supply Systems

UPS systems from 500VA to 6.4mVA - solutions for all applications.

UPS Products - External Maintenance Bypass Switch

UPS Maintenance Bypass Switches (MBS / EMBS)

UPS External Maintenance Bypass Switches. Single and 3 phase, single and dual input.

PDUs: Power Distribution Units

Horizontally and vertically mounted basic, intelligent, managed, switching and monitored PDUs.

External Battery Modules

Increase UPS autonomy (runtime) with a dedicated External Battery Module, designed specifically for your model of Uninterruptible Power Supply.

UPS Management

A small selection of the most common UPS management cards and sensors, essential for enhancing communication and monitoring capabilities in power…

UPS Power Cables

IEC, IEC Lock, UK 3 Pin, Commando power cables for all your UPS, PDU & IT requirements.

Reliable Backup Power for Businesses

We offer complete backup power solutions for your business, including UPS installation, maintenance, and battery replacements, ensuring your operations stay secure and uninterrupted at all times.

A Leading UPS Maintenance Company

One-off UPS servicing, or comprehensive protection with 24/7/365 coverage, emergency call-outs and planned maintenance.

Backup Plan for a Power Outage: A FREE UPS Strategy Review

UPS systems perform a vital function by protecting your IT and other equipment 24/7 and are essential to prevent failure in the event of a mains…

Emergency UPS Maintenance

We offer comprehensive on-site repairs and remedial work for all major UPS brands. If your UPS develops a fault, we will arrange a free visit and…

About Us

We are the UK's foremost UPS specialists. Since 1992, our clients have trusted us to provide reliable backup power services, ensuring seamless operations and peace of mind.

History

With over 3 decades of experience, we have established ourselves as leaders in delivering specialised power protection solutions. Our story so far...

Why Choose NSSE

Our technical team offers unbiased, expert guidance and access to top-tier products, leveraging their extensive knowledge and experience to deliver…

Sectors

Our clients span the length and breadth of the UK and into Continental Europe. These are just a few sectors of industry we operate in nationally.

Insights

Stay informed with the latest industry news, insights and advice from the team at NSSE

Eaton 93T UPS

The Eaton 93T UPS maximises the true available power whilst requiring 20% smaller space than other UPS in its class. With the optional internal…

NSSE

Jul 8, 2024

Is your UPS smart enough?

With intelligent and efficient network power protection, from entry level to scalable runtimes, the Smart-UPS range of Uninterruptible Power Supplies…

NSSE

May 16, 2024

Can your UPS take the heat?

The summer weather presents a number of challenges to UPS Systems, including:

NSSE

Apr 29, 2024