Before we renovated our kitchen, a friend who is a licensed first class electrician was building a home and installed the same "commercial" unit in my home that he intended to put in his main panel of his new home. I reached out to him for a recommendation for a new home we are building, and he said there's a less expensive one he recommends:
Leviton 52120-CM2
It's still about a grand for the unit, which has a pair of replaceable modules and monitors the surges it captures.
As it turns out, the builder in our new neighborhood won't install that unit for me (long story), so I'm getting a much less sophisticated one installed in my main panel, which consumes two slots and (in my case) needs to be replaced if it's ever "invoked".
Leviton 52120-CM2
It's still about a grand for the unit, which has a pair of replaceable modules and monitors the surges it captures.
As it turns out, the builder in our new neighborhood won't install that unit for me (long story), so I'm getting a much less sophisticated one installed in my main panel, which consumes two slots and (in my case) needs to be replaced if it's ever "invoked".