Custom Designed Toroidal Power Transformers

Talema offer a custom-design service where our engineers design the most suitable power transformer for your application based on the electrical and mechanical specifications.



Toroidal Power Transformers offer significant advantages over conventional laminated transformers, (Click here for more details) and Talema's technical design staff have vast experience in designing the best transformer for the application.

Generally the equipment designer is faced with the problem of 'squeezing' the power transformer into a confined space, and we, at Talema, have built up over 25 years of experience in designing toroidal transformers which fit into these confined spaces, and yet electrically and thermally out-perform the competition

With Talema's ability to provide instant EN61558 approval on custom designed transformers, the equipment designer does not need to adjust their design to suit a "standard" transformer, just to get an approved part.
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To ensure that our engineers design the "right transformer for the job", we suggest that when requesting a quotation and/or sample transformer(s), that you provide us with as much technical information as you have available.

We would suggest the following information be provided:

  • * Application Click here for more details

  • * Primary voltage(s) (and tolerances if non-standard)

  • * Secondary voltage(s) and current(s) or power rating(s)

  • * Regulation requirements

  • * Temperature Rise

  • * Duty Cyle (if any)

  • * Isolation voltage(s) and creepage / clearance distances required between windings

  • * European standards (EN60065, EN60742/EN61558, EN60950 .. etc)

  • * Physical restrictions (maximum available dimensions)

  • * Special mounting requirements ? More Info

  • * Special connection wire configuration ? (Crimps, Connectors, Lead forming .. etc)

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