DuroMax Generator Transfer Switches
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Generator Transfer Switches
If you've shopped for generators of any kind, you most likely have encountered an accessory called a transfer switch. What is a transfer switch and do you need one with your generator?
Basically, a transfer switch is a way to connect your generator to your home's electrical circuitry. Without a transfer switch, you would have to string extension cords from your generator outside to your appliances inside. Not only would you need multiple lengths of extension cords and need to run cords through open windows or doors, but you will also only be able to power appliances that have a standard plug. Appliances, like furnaces or dryers, that are hardwired could not be powered via extension cords. That's why this generator accessory is the most efficient and effective method to ensure your vital appliances are powered.
There are two designs to choose from automatic or manual. Automatic transfer switches are ideal for home standby generators. When the power goes out, no action is required by the homeowner or business owner. These units activate home standby generator power as soon as an outage is detected. With a manual transfer switch, the generator owner simply connects the generator to a power inlet box that has been installed and in a few seconds is ready to go. Transfer switches are usually installed by qualified electricians. Northern Tool + Equipment has a full selection of automatic and manual transfer switches from today's top brands.
Generator Transfer Switch Frequently Asked Questions:
What is a generator transfer switch and how does it work?
Why is a generator transfer switch important for back-up power systems?
What factors should be considered when selecting the right size of a generator transfer switch for a particular application?
- If you’re using a service disconnect switch, the amperage of your generator transfer switch must match the amperage of the main breaker in your electrical panel. The amperage of that main breaker can usually be found on the very top of the box. For example, if the electrical panel’s main breaker is 200 Amps, the automatic transfer switch will also need to be 200 Amps.
- When determining optimum size of a manual transfer switch, it’s best to match the amperage of your switch to the outlet with the largest amperage rating on your generator. For example, if the generator's largest outlet is rated at 30 Amps, the transfer switch should be rated at 30 Amps to ensure it can handle the full power load.
- Voltage should also be taken into consideration. Buy a transfer switch model with voltage that matches the needs of your home or commercial or industrial building. Buildings can operate at various voltages, including 208/240 Volts, 480 Volts and 575/600 Volts.
- An additional thing to look for on the transfer switch is a built-in wattage meter. Many manual transfer switches include built-in wattage meters that count and display the total wattage of items being powered by the generator you are using. By paying attention to this meter, you can more easily prevent the overloading of a system. Overloading could result in damage to the generator and/or appliances connected to that generator.