Good morning. To start an engine you must use a switch adjusted to the characteristics of intentensidad that has that engine to start, it does not serve a switch of 2 poles any by the peaks that it generates to start, it has to be designed specifically for it. If you also want to be able to use it in both directions https://adajusa.com/en/964-interruptores-inversores-monofasicos  If you only want it to rotate in one direction
https://adajusa.com/en/239-interruptores-seccionadores
https://adajusa.com/en/938-interruptores-de-levas-trifasicos-3-polos-serie-giovenzana
However, please check that it meets your specifications. Regards Adajusa