Isolation transformer manufacturer

Our technical team can help to design, modify and reverse engineer to your specification.

R Baker (Electrical) Ltd is an UK based isolation transformer manufacturer. Our transformer range starts at 500VA and goes up to 250kVA. Addinionally, we rewind and repair transformers up to 500kVA.
Since we established in 1982 we have been at the forefront of transformer design in Britain. We offer world class engineering solutions from our premise in Liverpool. Our technical team are on hand to assist you with design through to final testing. We can aid you with the design and build of single phase and three phase transformers.

Our isolation transformer range

Being a specialist in isolation transformer manufacturing for over 35 years puts us in a unique position. We have the facilities and experience to ensure short lead times and competitive prices. Regardless of your transformer requirements, we are here to offer you the best advice in the UK.

We custom build every transformer to meet customers specification. Transformers can be supplied with or without an enclosure. We can supply off the shelf sheet metal enclosures or bespoke enclosures. These enclosures can be constructed out of stainless steel, aluminium or ATEX enclosures.

Our isolation transformer range be manufactured to meet a range of standards depending on your needs. We work with leading test and quality authorities such a BSI, DNV, Lloyds, NSN, Nemko and VDE to give you complete peace of mind. Furthermore, our procedures and quality controls are monitored to BS EN ISO 9001:2000.

Our custom built isolation transformer range is designed for use in commercial, rail, offshore and military

Transformer range

  • Air cooled transformers
  • Current transformers
  • Auto transformers
  • Isolation transformers
  • Earthing transformers
  • Bushing transformers
  • Marine / offshore transformers
  • Bespoke transformers
  • Step up and step down transformers
  • Zone 1 and Zone 2 (Ex d) hazardous areas transformers
  • Harmonic current reduction transformers
  • Military transformers / NSN / NATO transformers
  • Liquid cooled transformers (oil immersed)
  • Transformer-rectifier units for D.C. power supplies
  • Transformers maintenance programmes

Transformer repairs & rewinds

Three Transformer manufacturer and repair

We are uniquely positioned to offer isolation transformer manufacturing and rewind services. We can handle all emergency and non-emergency repairs in a fast and efficient way from our base in Liverpool, UK.

Our transformer rewind and repair service is carried out by our highly trained engineers. Furthermore, we can also reverse engineer damaged transformers. This means we can manufacture new transformers which are past being rewound.

If you would like advise regarding a transformer rewind please give us a call on 0151 486 6760.

Single Phase and Three Phase Transformers

Single Phase Transformers

R Baker (Electrical) Ltd manufacture a range of single phase transformers covering everything from 50VA up to 150kVA. We can assist with designing, modifying or reverse engineering to your required specifications.

Read more > Single Phase Transformers

Three Phase Transformers

Our range of three phase transformers cover everything from 500VA all the way up to 250kVA. We also have all the facilities to rewind and repair transformers up to 500kVA. Our technical teams are on hand to assist you with design through to final testing.

Read more > Three Phase Transformers

Case studies

100kVA transformers

Our team designed and manufactured a three phase, 100kVA isolation transformer, designed to be used within a UPS system with customer specified MCCB protection and in a Delta/Star configuration. Our team have also manufactured a range of transformers to the same specification ranging from 10kVA up to 200kVA.

9kVA ATEX isolation transformer

To manufacture a hazardous area isolation transformer designed to isolate and step down the incoming 440 Volts, single phase (2 Phases of available 3), 50-Hertz supply to 240 Volts centre tap connected to earth.

45kVA isolation transformer

We enjoy a strong relationship with the MoD and manufacture a wide range of transformers for use within a military application; including isolation transformers. These transformers range from 1kVA up to 150kVA.