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is the optocoupleur design ok!!

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skmdmasud

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will this design work or am i going to blow up planet earth!!:confused: triac switch schematic.JPG
 
Should be fine, providing the triac is properly rated for the load it will drive. Planet Earth should survive :)
 
I've used a similar circuit with 400V/20A triacs for my Christmas light switcher. Yours has no fuse or heatsink.
 
the BTA triac was always on
With power off, check that the triac isn't internally shorted. Double-check triac pin-out and circuit wiring.
 
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