5Pcs RobotDyn Thyristor AC Switch Relay Module 3.3V/5V Logic AC 220V/5A Peak 10A


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If you need to control the AC power (lights, home equipment's), a thyristor is what you need. 
This is a very common thyristor module with very low on-resistance and a control voltage, that is compatible with any 3.3V or 5V micro-controller or mechanical switch. 
This allows you to control high-power devices with very low-power control mechanisms.
This board has an optoisolator to protect your micro-controller from high AC currents.
We also left more space, if you need to install the heat sink for thyristor.
Signal: DC3.3V/5V 10mA
Commutation: VAC 220V/5A (peak 10A)
Size: 22 x 46 mm 
Technical Instruction:
Signal (VCC) to Digital I/O, or 3.3V~5V
Package includes:
5 x Thyristor AC Switch Relay Module