This is an SCR, not an SSR, but Ive been using 2 of these for years with no issues ever. And I brew a lot! Both are wired to a 50A breaker, driving 5500 ULWD Camco's (I do back to back 10gal batches on brewday so needed 2 keggles). For 18 bucks you might want to keep one on hand for a...