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Has anyone tried the URTOP / HellermannTyton TWST Smart WIFI switch?

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I bought one from acdc and have played with it but not installed yet. It seems to work fine. My intended use is to drive a contactor using the countdown timer.

Like sonoff, I suspect it may not like pushing toward 16amps. Just because I am still wary of chinese quality control, although it is improving.

Edited by Thunderdolt
Add last paragraph

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