Optokoppler Isolationsmodul Photoelektrisch Isoliert Spannungserkennungswerkzeug Neu
3,83 €
Item Type: Optocoupler Isolation Module. When there is 220V input, the LED is on, the optocoupler is turned on and the output is low. When there is no 220V input, the LED does not light up, and the optocoupler does not work.
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