Our OFE Pro module has smart design on PCB, so client install the modules with wrong direction,
the modules won't be damaged and just need to resume correct direction then it will resume work.
Pls find the video for your references. Not Like the other companies design,
if the modules were installed with wrong direction, then modules will be burnt like the following pictures.
The modules has arrow for right direction.
But sometimes the modules will be changed by end users and they won't check the arrow information.
So this design would be very important.
Modules from other companies, burnt if installed with with wrong direction