Description:

3 Channel Optocoupler Isolation Module AC 220V Isolated Board Testing Module No PCB Holder AC Detection Module

Product Introduction: 
1.Function:test whether AC 220V is existed;when there is 220V,optocoupler can be conductive to ground;otherwise,it is not conductive 
2.Output High/Low Level:can directly connect with SCM IO interface to test,voltage is 3-5V 
3.Adaptive to connect with PLC,compatible to almost all PLC input 

Kit include:

1 x 3 Channel AC Detection Module