The H-J Family of Companies provides our customers with high quality, cost-effective products and services with an extensive offering of transformer and switchgear components with manufacturing facilities that are highly automated and vertically integrated. In addition, not only do we have an extensive supply network, we have strong partnerships with world-renowned manufacturers and distribute and sell their products both domestically and Internationally. We have continually expanded our product and service offering while continuing to maintain focus on customer service.
Brands: H-J Enterprises
Engineered Power Components (EPC)
H-J Trading Co.
In fifty years AEM have gone from a manufacturer of arc welders to a leading global supplier of Unicore machines and Unicores. The one thing that has been common throughout the journey has been the question, “How to improve efficiency at each and every step?”
The small size of the Australian transformer core market inspired AEM to develop flexible automated machinery for core manufacture. The company was also committed to innovating core design.
The result has been the creation of Unicore machines that produce the exceptional Unicores. Unicores are highly regarded in the market as the most advanced and efficient available. And the machines themselves are prime examples of improving efficiency.
Over 250 Unicore machines sold globally.
Unicore machines eliminate the need for fixed tooling such as jigs and mandrels. Unicore laminations are fully formed by the machine.
For the operator, flexibility, accuracy and reliability are key advantages. Reduced core/coil assembly time results in reduced transformer costs.
Since 1958 AEM has been driven by the vision to improve the efficiency of transformer core technology throughout the entire value chain. This means better manufacturing machines, better core products and better performance in the field.
AEM is firmly committed to continue as a leader in highly efficient core technologies.
For General Purpose and Distribution Transformers our core products have enhanced efficiency in many ways.
Unicores hold a number of advantages over other types of magnetic cores for general purpose and distribution transformers. With lower loss, efficient production and ease of assembly, our Unicores have helped innovate transformers around the world.
The gap has widened even further with the DUO core, which not only provides exceptional energy efficiency, it is also very simple to assemble. The future for DUO core will be to replace large E&I, strip laminations and C cores, which struggle to meet the need for greater energy efficiency.
AEM comprehensive range of Unicores
Each type is able to be customized and made to exacting specifications.
Single phase and Three phase versions
Micro Tool & Machine Ltd. was established in 1964 as a tool and die shop in Winnipeg, Canada to serve the local manufacturing industry. The business quickly grew to a custom machinery manufacturer with a particular focus on the transformer industry. For more than 50 years, MTM has been a leader in the design and production of coil winding machines, cut to length lines, panel radiator production lines, and complementary solutions that reliably serve our valued customers in over 40 countries.
Our design philosophy is to combine effective innovation with simplicity and intuitive operation, allowing the user to focus on the production work.
MTM manufactures a full range of coil winding machines designed for distribution transformer manufacturing. Dedicated machines for wire, foil strip, or a combination of both wire & foil are available.
To compliment the winding machine product lineup, a full range of winding mandrels are available that can be integrated with the machine for a complete solution. Engineering services are available to ensure integration with existing mandrels or tooling if the user already has these products.
Tooling such as portable cold welding, rectangular wire bending, and round wire flattening are available for integration with MTM or other OEM machinery.
MTM manufactures a full range of core steel processing equipment designed for distribution and power transformer manufacturing. Dedicated machines for mitre, wound, stacked / 90 degree core manufacturing is available.
Please click the following areas for more information.
MTM produces a full range of machines for the fabrication of panel / header type radiator panels.
MGC Moser-Glaser Company researched a way to increase the dielectric characteristics of its High Voltage equipment. As a result, MGC invented the Epoxy Resin Impregnated Paper (ERIP) technology in 1958.
With more than 50 years of experience in development of the ERIP technology, MGC offers transformer bushings TRAVESCA® DTOIA from 25 to 230 kV.
It is our mission at EPC (Engineered Power Components) to provide innovative engineering solutions in molded polymer insulated product design and manufacturing. Serving Electrical Utilities, OEM’s and Service Groups worldwide, our design and manufacturing team offers more than 50 years combined experience within the industry.
EPC provides total product development services, from conceptual design work through engineering and final product testing within one facility, conveniently located in High Ridge, Missouri, USA.
EPC specializes in custom product design and manufacturing. Utilizing state of the art design software and in-house tool and die design and manufacturing capabilities, we can provide quick turnaround for replacement components.
We specialize in duplication or redesign of obsolete, damaged or hard-to-find components at reasonable cost.
Bushings & Insulators
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