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Automatic Transfer Switch

Definition

A device that automatically switches the power source to a backup generator in the event the primary power source fails.

Things you need to know

Automatic transfer switches come in various sizes to match the size of commonly used generators. Installation typically takes 3-4 hours.

Also known as

ATS

Cost Considerations

Transfer switch installation typically runs between $200 and $300. Larger 10 circuit switches made for 7500 watt generators are slightly more expensive ($350 to $400).

Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.