Making a 3-way light switch to single pole switch for smart switch - DoItYourself.com Community Forums
Electric switch | 3 Way | Single, double pole | Eaton
2pcs High quality RS26 3 Pole Position 4 Selectable Band Rotary Channel Selector Switch Single Deck Rotary Switch Band Selector|selector switch|selector rotary switch - AliExpress
Knightsbridge Curved Edge 10A 3-Pole Isolator Switch (CU1100) at UKES