12-06-2021, 02:14 PM
Decent ones seen to last 10+ years.
They typically fail due to burnout on the contacts - if you put a heavier load on than its designed for... they fail quickly...
One one of our buildings we've used an external SSR to switch the load. I needed an electrically quiet environment and there were these occasional short bursts of broad spectrum noise which turned out to be the thermostat.
Simply using a suitable zero-crossing SSR and running the thermostat at 12V @ almost zero current solved the issue.
They typically fail due to burnout on the contacts - if you put a heavier load on than its designed for... they fail quickly...
One one of our buildings we've used an external SSR to switch the load. I needed an electrically quiet environment and there were these occasional short bursts of broad spectrum noise which turned out to be the thermostat.
Simply using a suitable zero-crossing SSR and running the thermostat at 12V @ almost zero current solved the issue.
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