Powerled pcv1224 rev c series led power supplies constant voltage powerled pcv12150 rev c this 12v 150w rev c led driverpower supply is a constant voltage device that is both energy efficient and energy compliant and has excellent power factor levels with built in power factor correction the unit has a led indicator for power on ideal for indoor lighting applications powerled pcv12150 rev c constant voltage led power supply 12v 125a 150w