Snappy opto constant voltage led drivers sph185 series snappy psu sph185 12a the snappy optoelectronics psu sph185 12a is a constant voltage led driver from the sph series this led driver is ip65 rated with a power rating of 185w it complies to international safety and emission standards the led driver features inbuilt openshort circuit protection overload and overheat protection snappy psu sph185 12a power supply 12vdc 15a 185w cv ip65