Sorry to hear that 

The maker of the orion disagrees with you:
" I do not give warranty for this reason, the switch is not protected and is used extremely, on the border of an electrical short circuit"
mine is the newest version from the latest run, no melted insulator, no leaks or juice on the switch. failed in 3 days... gonna order like 3 switches. If it gets to the point where I'm on my last switch I'm going to sell (unless i just get bored and sell to get other mods).