Illuminator with SMPS Based Circuitry is an electronic ballast that is energy efficient and maintains constant lux level at varied input voltage. The Illuminator ensures constant pre-determined output and gets cut off on rise into voltage beyond 290 V and gets restarted automatically. The Illuminator has inbuilt feature to curtail supply to the lamp in case of short circuit at lamp’s end. Illuminator with SMPS Based Circuitry can be availed in different specifications to cater to specific requirement.