Isolated AC Mains Voltage Detection Module PCB
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Prices updated: 12 Oct 2026
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About this product
A PCB module for detecting AC mains voltage with electrical isolation between the mains side and the low-voltage side. It helps keep microcontroller circuits separated from line voltage in monitoring and control projects.
Specifications
- Module type
- AC mains voltage detection
- Isolation
- Isolated
Frequently asked questions
Is it safe to connect to mains?
Mains voltage is dangerous. Work with the supply disconnected, keep mains wiring enclosed, and follow the module documentation and local electrical safety rules.
How do I connect the output to a microcontroller?
Connect the module output to a microcontroller input only through its isolated side, following the wiring shown in the module documentation.
