Power Transformers

BRUSH transformers are in service all over the world, providing power to millions of homes and businesses.


We have built a solid reputation for reliability and longevity amongst our many satisfied clients.

Our standard range covers power transformers with:

  • Power ratings between 5MVA and 120MVA
  • Voltages up to and including 145kV systems


Our transformers can be designed to customer specific needs  as well as many national and international specifications, amongst these:

  • IEC
  • ANSI
  • Shell DEP
  • Aramco
  • Rail

Key benefits

Low carbon technologies & supply chain
Reversed powerflow
High efficiency
Smaller equipment footprint
Lower cost of ownership

Features and benefits

  1. High efficiency transformers based on EU EcoDesign Directive EU 548 and Tier 2 efficiencies
  2. Alternative cooling fluids including Midel and FR3 for environmentally sensitive or urban sites
  3. Low noise level transformers with advanced core build technology and variable speed fan options
  4. Designs are calculated for minimal Partial Discharge values through an optimised insulation structure that extends operational lifespan
  5. Condition Monitoring options via fibre optic temperature sensors & gas detection systems
  6. Compact transformer design reduces overall substation footprint enabling significant savings in civil costs
  7. Cooling methods ranging from naturally cooled to directed-oil via pumps and forced-air via fans
  8. Tapchanging by On-Load (bolt-on or in-tank) or Off-Circuit switching devices. Remote Tapchanger Control Panels can also be supplied
  9. Full range of accessories and protection devices available including digitally enabled options as well as condition monitoring equipment


Whether your requirements call for a DNO approved transformer or a bespoke solution, BRUSH covers the vast majority of applications.

Key Features

Compact transformer design
Reduces overall substation footprint enabling significant savings in civil costs
High efficiency
Transformers based on EU EcoDesign Directive EU 548 and Tier 2 efficiencies
UK manufacture
In-house winding, full assembly and testing at our Loughborough factory

Transformer Services

We provide lifecycle management and support from initial system analysis, to design, engineering, supply, installation, commissioning and upgrades of equipment through to repurposing or decommissioning.

Man holding a ball of energy symbolising connections

Speak to our team

BRUSH has a global reputation for service excellence and dedicated customer support. With a wealth of experience spanning more than 145 years and significant in-house knowledge and expertise, our commitment to excellence is backed by experience and knowledge.

Whether it’s the provision of parts, the delivery of service support in the field, at the customer’s premises or at our network of service workshops, our team of highly experienced engineers are on hand to support.