If you read through the q&a s to this product...you will see that the manufacturer as well as several users say that it requires a manual reset after a power outage...and since everything from amazon is easily returnable...it is probably worth a try.
https://www.amazon.com/TRC-Southwire-14650013-6-120-Volt-1800-Watts/dp/B000XU5MEG
https://www.amazon.com/TRC-Southwire-14650013-6-120-Volt-1800-Watts/dp/B000XU5MEG