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Isolation Transformers Manufacturers and Suppliers

IQS Directory provides a comprehensive list of isolation transformer manufacturers and suppliers. Use our website to review and source top isolation transformer manufacturers with roll over ads and detailed product descriptions. Find isolation transformer companies that can design, engineer, and manufacture isolation transformers to your companies specifications. Then contact the isolation transformer companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Access customer reviews and keep up to date with product new articles. Whether you are looking for manufacturers of induction isolation transformers, transformer isolation devices, electric isolation transformers, or customized isolation transformers of every type, this is the resource for you.

Leading Companies:

  • Antigo, WI 800-826-9741

    Johnson Electric Coil is proud of its excellence in customer service, support & quality products, such as their precision crafted isolation transformers that have & continue to be depended upon by a plethora of customers just like you. Johnson’s caring & committed workforce understands the value of taking great care of their customers. Please call today to let Johnson take care of you, too.

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  • Perris, CA 951-277-0757

    With more than 500 current transformer manufacturers in the world, Triad Magnetics realizes you have a choice. Why choose Triad? Having served the needs of many industries for more than half a century, Triad believes its experience makes the difference. And if there is one point experience has taught it, it is that it must remain flexible and adaptable to the changing needs of the market.

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  • McHenry, IL 815-344-2900

    For a superior selection of custom isolation transformers, turn to Lenco Electronics, Inc., a leading source for a wide range of precision manufactured products for almost 30 years. Lenco’s continuing success is due to providing its customers with superior products and services they have come to expect. Let Lenco Electronics demonstrate to you why it deserves your business.

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  • Detroit, MI 800-428-2626

    Dongan Electric Manufacturing is a leading manufacturer of isolation transformers, dry type transformers, custom transformers, current transformers, power transformers and electric transformers for distribution to OEM and MRO markets. Other services and products are offered. Give us a call today or visit our website to learn more about our company!

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  • Tampa, FL 813-879-5811

    We do three phase transformers better than the competition! Since 1955 we have been manufacturing top of the line transformers while maintaining some of the quickest turn around times in the industry! We aim to provide each and every customer with service that will exceed their expectations 100% of the time! To learn more about what we may be able to do for you; visit our website today!

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Isolation Transformers Industry Information

Isolation Transformers

The role of isolation transformers is to transmit electrical power to a device from a power source. Technically, all transformers can be defined as an isolation transformer due to the fact that all transformers use the process of induction to convert electricity, as opposed to the use of a conductor. However, the main characteristic that sets isolation transformers apart from other categories is that they are designed to isolate electricity or isolate the device from the power source.

Quick links to Isolation Transformers Information

Applications of Isolation Transformers

Numerous applications utilize isolation transformers. These applications include uninterrupted power supplies (UPS), test and measurement systems, robotics, motor controls, light fixtures, medical electronics, industrial control panels, data communications, avionics, and audio systems.

Isolation Transformer Design and Customization

One configuration that an isolation transformer can be found in is toroidal or donut-shaped. Toroid transformers have several advantages, including its light weight and compact size, which allow for it to be included in numerous applications. The windings of a toroidal transformer run through the center of its core and are thus evenly distributed throughout the device. The core can be constructed from silicon iron or nickel-iron alloy. Amorphous alloys and powdered iron are a wiser choice of core material for higher frequency applications. Furthermore, toroidal transformers have the ability to minimize stray field radiation and audible noise. To further reduce stray magnetic fields, toroidal isolation transformers can be equipped with a metal band. For devices such as patient monitoring machines that leave little allowance for interference, additional insulation may be added to an isolation transformer.

How Isolation Transformers Work

A complex series of different types of transformers are used to safely and efficiently transmit electricity from power plants to the power outlets of different buildings. While high-voltage transformers are used to lower the voltage to a level suitable for homes and businesses, and power transformers assist in the distribution of electricity for use in electronic devices, isolation transformers are not used to alter the voltage level. Rather, they separate two conductive elements within a transmission system and allow for controlled electrical transmission, all while eliminating unwanted electrical discharge in the process. In everyday handheld consumer devices, such as electric shavers and hair dryers, isolation transformers are necessary for these devices to run safely.

Advantages and Disadvantages of Using Isolation Transformers

Since their invention, isolation transformers have played a pivotal role in increasing the safety of numerous electronic devices. Isolation transformers are able to prevent unwanted electrical discharge. Unwanted discharge can be dangerous, especially in devices such as electric shavers and hair dryers which are commonly used near sinks. Fortunately, the use of isolation transformers greatly minimizes this risk. The medical industry uses isolation transformers extensively in their equipment, as medical equipment is highly sensitive and even the slightest bit of interference could pose a significant risk for the well-being of patients and medical employees. Isolation transformers are utilized to carefully regulate the amount of electricity used to power devices such as patient monitoring equipment, hospital beds, medical lab equipment, dental chairs, and electric powered dental tools. Furthermore, isolation transformers can substitute for an isolated ground circuit, and they are capable of eliminating noise. Standalone isolation transformers have the ability to remove common mode noise.

As stated above, an isolation transformer does not change the voltage. Instead, they have the ability to “shield” a device from electromagnetic noise that could be generated by stepping voltage or the fluctuation of electric current. Unwanted discharge is regulated by way of a process known as galvanic isolation. Galvanic isolation is the electrical and physical isolation from an input power circuit. Galvanic isolation does not prevent an electrically transmissive system from carrying out its usual functions. Rather, it still allows for the transfer of electrically charged particles using means such as induction. Examples of applications whose transformers utilize galvanic isolation in its electric transmissions include personal computers. International safety agencies require every personal computer to have galvanic isolation between the input power source and the structure of the computer itself in order to prevent electric shock. The installation of an isolation transformer within a computer can greatly reduce the computer’s intake of common mode noise. A disadvantage of an isolation transformer, however, is that it can generate extra heat which may shorten the computer’s battery life if the transformer is close to where the batteries are located.

Finding the Right Isolation Transformer Manufacturer

There are many other configurations of isolation transformers that are available. Thus, it is recommended that you consult a transformer manufacturer. Some manufacturers offer a variety of both standard and custom designed isolation transformers to ensure all of their customer’s needs are met, and that the desired pieces of equipment can run efficiently and safely.



More Isolation Transformers Information

Isolation Transformer Informational Video