Three phase monolithic and modular UPS systems for all power requirements
High performance three phase UPS systems designed for data centres, healthcare, industrial environments, and mission critical applications. At Power Control, we deliver scalable, energy efficient UPS solutions manufactured in Europe by Legrand, backed by expert support across the UK.
Whether you need a modular UPS for future growth or a robust standalone system, our engineers and technical sales team will help you specify, install and maintain the right solution.
25kVA - 50kVA N+1
Modular
Online double conversion, rack independent three phase modular UPS
1.2MW - 4.8MW
Modular
Online double conversion modular ups with 98.6% efficiency
25kVA - 250kVA
Modular
Online double conversion with PWM high frequency technology. Parallelable up to 600kW
10kVA - 80kVA
Modular
Optimised three phase modularity consisting of hot swap single phase modules
30kVA - 40kVA
Monolithic
Transformer free design featuring high flexibility and cold start functionality for all types of loads
60kW - 600kW
Transformerless
High performance, online double conversion UPS system for IT, Industry, Healthcare and Transport applications.
60kVA - 300kVA
Monolithic
Transformer based UPS customisable for specific process applications and parallelable up to 1.8MVA
400kVA - 800kVA
Monolithic
With a rugged design and high reliability, these customisable UPS systems are scalable up to 4.8MVA
What is a Three Phase UPS?
A three phase UPS system (Uninterruptible Power Supply) is a critical power solution designed to deliver continuous, clean and stable electricity to high-demand equipment and facilities. It operates using a three phase power input and output, which distributes electrical load more efficiently across three alternating currents, making it ideal for environments with significant power requirements.
In the event of a mains power failure, voltage fluctuation or electrical disturbance, the UPS instantly switches to battery power, ensuring there is no interruption to connected systems. This seamless transition is essential for protecting sensitive equipment, preventing data loss, and avoiding costly downtime.
Three phase UPS systems are commonly used in data centres, industrial operations, healthcare facilities and large commercial buildings, where reliability and uptime are critical.
Modern three phase UPS solutions also incorporate advanced features such as modular architecture, redundancy (N+1 configurations), and intelligent monitoring, allowing businesses to optimise performance, increase resilience, and plan for future growth.
Why Choose Legrand Three Phase UPS?
Legrand three phase UPS systems are a leading choice for organisations that demand performance, efficiency and long-term reliability. Manufactured in the UK, Legrand solutions are built to the highest quality standards, ensuring dependable power protection for critical environments.
Their flagship KeorFLEX UPS is recognised as one of the most efficient UPS systems on the market, making it ideal for data centres where energy performance and uptime are paramount. Legrand’s modular design approach allows systems to scale easily as power demands grow, while also supporting N+1 redundancy for maximum resilience.
In addition, every system is supported by an Eco Passport, providing transparent environmental credentials and helping businesses meet sustainability targets. With advanced monitoring, high efficiency across load ranges, and a strong focus on innovation, Legrand UPS systems deliver a future proof power solution for modern infrastructure.
A Brand of Legrand
Power Control has been part of Legrand since 2022, strengthening our position as a trusted provider of advanced power protection solutions. However, our expertise with Legrand three phase UPS systems extends far beyond the acquisition. As a long standing Legrand partner, we have many years of hands on experience in the supply, installation, commissioning and maintenance of these systems. This deep rooted knowledge means we understand Legrand UPS technology inside out, enabling us to deliver fully optimised, reliable solutions tailored to each customer’s requirements.
Need hep calculating what size UPS is mot suitable for your critical load? Use our UPS configuration calculator
01246 431431