The Longacre, Moroso, and Intercomp switches are all made by the same folks.
It's like some one said. "it's an electrical component, and in a harsh inviroment" It is a good plan to carry a spare and to replace it it every year.
Also pop the extra $5 bucks or so for the 4pole that is designed for the altenator.
earier to hook up. and less chance of it not killing the engine