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Sum R Design & Manufacturing
  • 17-29 Connell Crt
  • M8Z5T7

Contact Information

Alternate Telephone:
Algeria, Angola, Argentina, Australia, Austria, Barbados, Benin, Botswana, Brazil, Burkina Faso, Burundi, Cameroon, Cape Verde, Central African Republic, Chad, China, Congo, The Democratic Republic of the, Côte d'Ivoire, Djibouti, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea-Bissau, Hong Kong, India, Japan, Kenya, Lesotho, Liberia, Libyan Arab Jamahiriya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mexico, Morocco, Mozambique, Namibia, New Zealand, Niger, Nigeria, Réunion, Rwanda, Senegal, Seychelles, Sierra Leone, Singapore, Somalia, South Africa, Spain, Sudan, Swaziland, Sweden, Tanzania, United Republic of, Togo, Tunisia, Uganda, United Arab Emirates, United Kingdom, United States, Western Sahara, Zambia, Zimbabwe
Number of Employees:
Year Established:
Industries Classification:
335311  Power, Distribution, and Specialty Transformer Manufacturing
335990  All Other Electrical Equipment and Component Manufacturing
Total Sales ($CDN):
$200,000 to $499,999
Updated on:
2017-03-03,  Industry Canada
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Sum R Design & Manufacturing

Company Profile

With over twenty years experience in the toroid transformer industry, Mr. Sumner founded Sum R Design to address the engineering requirements of OEM accounts. Sum R Designs and Manufactures quality power transformers in the range 20VA to 2500VA. Universal primaries, multiple secondaries and isolation transformers are all designed to the customers special needs. Complimentary to our power transformer production, Sum R manufacturers reactors, chokes and output transformers. Our customer base includes the high end audio; professional sound applications; electrical industry; industrial electronics; and medical industries and our products are used in these applications "world wide". Sum R Design can accommodate small production runs and rush customer's production needs. Our products are Underwriters Laboratories Recognized and labeled. Sum R Design builds to international standards for global markets.


  • TRANSFORMERS, TOROIDAL Toroid Transformers up to 2000VA, UL recognized designs.

  • transformers/coils Transformers; 20VA to 2KVA, UL recognized, custom designs, used in professional audio, consumer audio, electrical controls, and high voltage industries.

  • Audio Power & Output transformers Quality requirements for Audio power & output transformers up to 1200VA


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