ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades correct way to wire a thermal overload switch

They are Doerr (and other manufacturers) 1Ø Split Phase 60hz 1/2 to 2HP dual voltage capacitor start motors. We use them all over the place here, and I just rebuilt one a couple month's ago.

FWIW, I have, in a box someplace, some 3 pole contactors that are dual-winding; they can be set up for 120v or 240v use.