Snappy opto constant voltage led drivers sph185 series snappy psu sph185 24a the snappy optoelectronics psu sph185 24a 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 24a power supply 24vdc 77a 185w cv ip65