... output constant current Aluminum moulded one pc Single output Voltage High level waterproof LED driver power supply 50W1.Single-channel voltage ... Factor correction ,PF typically 0.987 .Protection function: short current protection, overvoltage protection, overload protection.8 .Safety: IEC/EN61347 ... : IEC/EN55015 ,IEC/EN61547 ,IEC/EN61000-3-2 ,IEC/EN61000-3-3,EN61000-4-2,3,4,5,6,8,11,GB17743,GB17625 ...