12v power supply board relay output for access control

1,Rated output voltage:DC12
2,Rated output current:3A / 5A 
3,Ripple voltage : less than10mV   
4,Shell insulation voltage :1.5KV
5,Installation: Wall
6,can reduce the load of access controller , saving wiring works to reduce failure risks .
7 , set NC / NO PUSH input output can control various types of electric locks.
8 , set delay control circuit , lock time can be 0-15 seconds , set open button input , you can directly open the electric lock .
9 ,Automatic protection functionWhen the power supply short circuit accident occurs, the power is automatically disconnected temporarily or blown fuse