Automatic vs. Manual Transfer Switches

Winona Furgison • May 04, 2023
Automatic vs. Manual Transfer Switches |Shocking Difference LLC

When it comes to backup power systems, transfer switches are a crucial component. During an outage, they ensure that power is seamlessly transferred from the primary power source to the backup generator. However, two transfer switches are popularly used: automatic and manual.

If you're deciding between an automatic or manual transfer switch to power your home or business, it can seem like a daunting task. With so much at stake when choosing the right switch, understanding which one will suit your energy needs and budget best is important in ensuring that your property and the people occupying it remain safe and secure.


Let us explain what sets an automatic and manual transfer switch apart and why either type may benefit you depending on the features you need from a generator protection system. We'll help guide you through everything from how they function to the different safety protocols associated with each option and installation costs.

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What Is a Transfer Switch, and What Is Its Exact Purpose?

A generator transfer switch – or a transfer switch – transfers electrical power from one source to another in the case of a power outage or when switching between a primary power source and a backup generator.


The exact purpose of a transfer switch is to ensure that power is seamlessly and safely transferred between the two sources without interruption or damage to the electrical system. Without a transfer switch, power outages or switching between power sources could result in electrical surges or other hazards that could damage appliances and equipment and even harm individuals.


What Is an Automatic Transfer Switch?

An automatic transfer switch (ATS) is an essential piece of equipment that enables backup power systems to function seamlessly. An ATS switch automatically transfers power from the primary source to the secondary source in case of an outage or other failure.


Many businesses and homes rely on backup power systems to keep their lights on, HVAC systems functioning, and other essential equipment running smoothly in the event of an unexpected power loss. Without an ATS, these systems could not transfer power automatically. A significant delay would occur before backup power kicked in, potentially leading to irreversible damage or danger. An ATS is an investment in safety and security, ensuring backup power systems perform as they should in an emergency.  It is critically important to consult an electrician before purchasing an ATS as they work in conjunction with the generator that you use.  Your ATS must have the ability to communicate with the generator.  The other important factor in Olympia, Wa is that the ATS and generator must be sized appropriately and Shocking Difference LLC can make sure that this happens.  It is code in Washington and if you have not sized it correctly the inspector will not pass your installation. 


What Is a Manual Transfer Switch?

On the other hand, manual transfer switches require someone to physically switch the power source from the main power to the backup generator. This device allows you to connect a generator to your home or business's electrical system, ensuring you have power even when the main grid goes down.

With a manual transfer switch, you can power your essential appliances, such as refrigerators, lights, and medical equipment, during an emergency. It's important to note that a licensed electrician should always install a manual transfer switch to ensure your safety and your home's compliance with local building codes. If you're looking for a reliable backup power solution, a manual transfer switch is what you need.


How Do You Know Which Type of Transfer Switch Is Right for You?

Choosing the right transfer switch for your home or business can be daunting. With these options available, figuring out where to start can take time. Whether you choose an automatic or manual transfer switch will depend on your specific needs and circumstances.


An automatic transfer switch is a popular choice for those who want a hassle-free experience, as it automatically switches to the backup generator when the power goes out. On the other hand, a manual transfer switch requires you to switch the power source manually, but it can be a more economical choice for those on a budget. Ultimately, the proper generator transfer switch for you depends on your needs and preferences. As trusted professionals, we can help guide you through the process to help you make the best decision for your situation.


Get the Best Installation Services for Transfer Switches in Olympia, WA

At Shocking Difference LLC in Olympia, WA, we understand the importance of having a reliable transfer switch for your generator. Whether you need an automatic, or manual transfer switch, our electricians in Olympia, WA, are dedicated to providing top-notch installations that give you peace of mind. We take pride in our trustworthy and professional approach, ensuring that your transfer switch works seamlessly with your generator for maximum efficiency.


Contact us online or call us at (360) 754-4542 today to learn how we can assist you with your transfer switch needs. We look forward to working with you! 

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