two 2 channel relay module 30A with optocoupler isolation 5V supports high and low Triger trigger for Smart home,PLC automation control

 

Features

Using double-sided FR-4PCB board
Using high-power relay, control the load up to 30A
With each optocoupler isolation, anti-interference ability
Black 9500 terminals, more convenient for high-current wiring
Each circuit has a relay on LED indication
The modules comply with international safety standards with isolation slots in the control and load areas
 
Applications:
PLC automation equipment control, industrial system control, internet of things control, home intelligent control, electronic hobbyist development experiment, all kinds of circuit modification