Cheaper option to the one u/RetardedChimpanzee suggested: https://www.amazon.com/Solenoid-586-905-586-114111-Replacement-Contactor/dp/B08415C633

There are tons of them floating around. I can't vouch for the quality of the one linked or any other on Amazon, but they're relatively simple devices and should serve you just fine, especially for intermittent use - i.e. not being switched on/off constantly.