SNC Manufacturing Company, Inc.

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Oshkosh, WI  |  800-558-3325

At SNC Manufacturing Co., we specialize in the design and production of electric transformers that serve a wide range of industrial and commercial applications. As a team deeply rooted in electrical innovation, we take pride in engineering solutions that deliver consistent performance, exceptional durability, and long-term value. Our capabilities extend from custom transformer manufacturing to OEM solutions, allowing us to meet the unique needs of our customers with precision and reliability. We operate in a vertically integrated environment, managing every step of the production process—from core winding and coil construction to assembly and testing—in-house to maintain quality control and shorten lead times. Our product offerings include power transformers, distribution transformers, and specialty transformers tailored for demanding environments. Whether it’s step-up or step-down applications, high-efficiency requirements, or specific thermal or voltage ratings, we collaborate closely with our customers to develop transformer solutions that align with their technical specifications and operational goals. Beyond manufacturing, we offer engineering support, prototyping, and performance testing to ensure every transformer we produce performs flawlessly in the field. Through a combination of technical expertise, responsive service, and a commitment to continuous improvement, we have built long-standing relationships with clients across utilities, OEMs, and infrastructure sectors who rely on us for dependable power solutions.

Electric Transformers Power Pages

Electric Transformers

Electric Transformers

Electric transformers are static electrical machines that transform electric power from one circuit to the other without changing the frequency. An electrical transformer can increase or decrease the voltage with…

Isolation Transformers

Isolation Transformers

An isolation transformer, just like typical transformers, is a non-moving device that transmits electrical energy from one circuit to another without requiring any physical contact. It works on the idea of magnetic…

Plug-In Transformers

Plug-In Transformer

Plug-in transformers are class 2 power supplies that are intended for connections with 15 ampere, 120 or 240 volt alternating current (AC) branch circuits. The classification of class 2 power supplies comes from…

Power Transformer

Power Transformer

Power transformers are electrical instruments used in transmitting electrical power from one circuit to another without changing the frequency. They operate by the principle of electromagnetic induction. They are used in transmitting electrical power between…

Three-Phase Transformers

Three-Phase Transformers

An electrical transformer is a passive machine that transfers electrical energy from one circuit to another using a magnetic flux to induce an electromotive force. Transformers are used to increase (step-up) or decrease (step-down) voltages without changing the frequency of the electric current…

Toroidal Transformers

Toroidal Transformers

A toroidal transformer is a type of electrical transformer constructed with a torus or donut-shaped core. Its primary and secondary windings are wound across the entire surface of the torus core separated by an insulating material…

Types of Electric Transformers

Types of Electric Transformers

Electronically operated equipment depends on power transformers to convert electrical currents into voltage. Current transformers store and transport energy through power lines and grids…

Electric Coils

Electric Coils

An electric coil, or electromagnetic coil, is an electrical conductor that contains a series of conductive wires wrapped around a ferromagnetic core that is cylindrical, toroidal, or disk-like. Electric coils are one of the simplest forms of electronic components and provide…

High Voltage Power Supply

High Voltage Power Supply

By definition a power supply is a device that is designed to supply electric power to an electrical load. An electrical load refers to an electrical device that uses up electric power. Such a device can be anything from…

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