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Understanding Isolation Transformers

Isolation transformers block transmission between the primary and secondary electrical circuits. They play a vital role in protecting the power supply and electrical systems, allowing the voltage to increase from one section to another.

While regular power transformers are more common, an isolation transformer is just as important for your operations.

How Does an Isolation Transformer Work?

An isolation transformer is connected to the power supply on one side and then connected to the device in question on the other. They prevent electrical currents from travelling between the circuits. This allows the transformer to reduce the risk of damage and protect equipment and people from harm.

Isolation transformers do this by separating the primary and secondary windings. However, while a regular power transformer can provide voltage regulation an isolation transformer cannot. This means that the output voltage is the same as the input voltage.

Why do You Need Isolation Transformers?

The electrical isolation created by isolation transformers can help reduce common mode noise and differential noise. These are produced by outside interference or an imbalance in your system, distorting your electrical systems.

Likewise, isolation transformers are great ways to manage electrostatic shields that are created between the windings and ground loops that will affect the integrity of your systems.

Commercial Isolation Transformers

Commercially available isolation transformers are also designed to provide isolation between the primary and secondary circuits.

When purchasing isolation transformers, it’s important to choose a transformer that meets the requirements of your application. The isolation transformer should also be rated for the voltage, current, and power levels required for your specific application.

Any More Questions?

To help us provide you with the best solution to your needs please contact us

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Benefits of Isolation Transformers


Create a Safer Environment

They can help prevent electrical shocks and reduce electrical noise, to protect workers and clients from harm.

Protect Your Equipment

Isolation transformers can protect sensitive equipment from damage, increasing their lifespan and effectiveness.

Reduced Noise

Isolation transformers reduce electromagnetic interference between circuits, thereby reducing noise in the system.

 Save on Costs

Isolation transformers are often more affordable than other power transformers, helping you save on costs and offering great value.

Frequently Asked Questions


Why Choose Southern Electrical Services?


Years of Experience

We have provided people with custom transformers for over 45 years. This gives us the experience and expertise to ensure your systems get the best support.

High Quality Equipment

We ensure all our equipment is of the highest quality so you get great results every time. Manufactured in Melbourne, you can trust our support will make a difference.

Faster Results 

We work quickly and efficiently, with a fast turnaround and international shipping. You can get the transformers you need when you need them.

Protect Your Power Source

Juggling between multiple power supplies and equipment can increase the risk of electrical shocks and damage to your facilities. An isolation transformer’s primary function is to separate two circuits from each other to reduce interference and current leakage.

Protect your power supply, equipment and workers from harm and invest in an isolation transformer today.

Get The Right Equipment Today

Isolation transformers are essential to any electrical system. They are a cost-effective and efficient way of protecting your workers and facilities. Whether you use industrial machinery or medical devices, an isolation transformer can make all the difference for your operations.

At Southern Electrical Systems, we offer a range of isolation transformers to support all types of applications. Reach out to our team today to get the equipment you need.

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Any More Questions?

To help us provide you with the best solution to your needs please contact us

Contact us  Call Us – (03) 9706 4202