Majestic Transformer Company Custom-Built Transformers, Chokes and Associated Power Supplies

Majestic building

Majestic Transformer Company designs and manufactures custom-built transformers, chokes and associated power supplies. We hold extensive stocks of our base materials to enable us to respond quickly to your requirements. We supply a wide range of:

  • Single-phase transformers up to 40kVA
  • Three-phase transformers up to 125kVA
  • Auto transformers up to 500kVA
  • Transformer rectifier units up to 100kVA
  • High-frequency transformers
  • Audio output transformers
  • Inductors and smoothing chokes
  • Custom-built transformer rectifier power supplies
  • Medical isolation transformers

We have always prided ourselves on our ability to build quality products. To this end we recently had our QA system externally approved to the ISO 9001: 2000 standard.

Open-frame single-phase control transformers

Typical applications for open-frame single-phase control transformers are motor control, machine tool control, control panels, alarm systems, and distribution boards, among many others. The transformers are supplied as open types with universal frames for vertical or horizontal mounting and either terminal blocks or brass stud connections.

Virtually any combination of voltage and current, at any frequency, can be supplied on both primary and secondary. In addition, multiple primary and secondary windings can be accommodated.

Open-frame three-phase control transformers

Open-frame three-phase control transformers are often used for motor control, machine tool control, control panels, machine voltage conversion, and distribution boards. They are supplied as open types with universal frames for vertical or horizontal mounting and either terminal blocks or brass stud connections.

Virtually any combination of voltage and current, at 50Hz, 60Hz or 400Hz, can be supplied on both primary and secondary. In addition, multiple primary and secondary windings can be accommodated.

Industrial-cased single-phase / three-phase transformers

Our industrial-cased single-phase transformers are normally wall mountable up to 6kVA and floor standing above this rating, but a portable style is also available. Our standard cases are IP33 but we can supply up to IP66 if required.

Our industrial-cased three-phase transformers are normally wall mountable up to 2,250VA and floor standing above this rating. Our standard cases are IP33 but we can supply up to IP66 if required.

Both types are suitably protected by a sheet metal case. All our isolation transformers incorporate an electrostatic screen between the primary and secondary windings and are built in compliance with the latest European standards. Other worldwide standards can also be met.

Open-frame and PCB miniature transformers

The trend to smaller power supplies necessitates compact, low-cost transformers with PCB mounting without sacrificing quality. By using ex stock materials, we are able to offer short delivery times, even on small batches of custom-built transformers.

We can manufacture open-frame and PCB miniature transformers and test in accordance with the requirements of any international specification.

Majestic’s high-frequency transformers and chokes

We offer a full range of high-frequency transformers and chokes utilising the Ferroxcube, Epcos, Thompson or MMG-Neosid ranges of materials. Delivery lead times are dependant on supplier stocks; however, we hold material stocks for regular items.

Majestic’s auto transformers for American equipment

Our auto transformers for American equipment are AUTO-WOUND with a secondary voltage of 110V – 120V and will suit most American domestic appliances.

The transformers are enclosed in portable silver grey cases with standard American socket outlets and UK standard cable and plug input (other European plugs are available to order). All units are fused on the input winding. All units have rubber feet and those rated 500VA and above have a carrying handle for convenience.

Custom-built Power Supplies created by Majestic

Custom-built power supplies can be single-phase or three-phase input, and AC or DC output. The output can be fixed voltage or variable voltage; variable output may be adjustable in fixed steps or be continuously variable. The output(s) can range from a few volts at several thousand amps to several thousand volts at a few milliamps.

Quote us a specification and we will design a unit to meet your exact requirements.

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Press Release

Oil Rig Transformer

Majestic Transformer Company were approached by a client who manufactured standard products for the oil industry based on the commonly used 440V 3Ø 60Hz supplies but had a potential customer who had a rig where the mains supply was 480V 3Ø.

White Papers

Custom-Built Transformers

UK-based Majestic Transformer Company specialises in the design and manufacture of custom-built transformers, chokes, and associated power supplies up to 125kVA.

Address
Majestic Transformer Company

245 Rossmore Road

Poole,

BH12 2HQ

Dorset

Other

United Kingdom

+44 1202 734463 +44 1202 733793 www.transformers.uk.com

Majestic Transformer Company Images

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Press Release

16 October 2016

Majestic Transformer Company were approached by a client who manufactured standard products for the oil industry based on the commonly used 440V 3Ø 60Hz supplies but had a potential customer who had a rig where the mains supply was 480V 3Ø.

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10 October 2016

We were approached by a client who was experiencing problems with inrush start up currents on conventional transformers.

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7 April 2015

Majestic Transformer Company, which designs and manufactures a wide range of bespoke transformers, chokes and associated power supplies, has upgraded its quality systems to confirm with the requirements of ISO 9001 : 2008.

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21 July 2014

Majestic Transformer Company, which designs and manufactures custom-built transformers, chokes and associated power supplies, has launched a new website.

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7 March 2012

UK-based Majestic Transformer Company has released a free white paper about its extensive product range on the Power-Technology website.

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Regional Offices

Majestic Transformer Company

245 Rossmore Road

Poole,

BH12 2HQ

Dorset

Other

United Kingdom

+44 1202 734463 +44 1202 733793 www.transformers.uk.com

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