Designed to provide optimal lamp performance and energy savings. With improved lumen maintenance over standard magnetic ballasts, E-Tensity ballasts lead the way to electronic solutions for HID lighting. E-Tensity with SuperDim combines analog dimming technology with electronic HID to provide additional energy savings capabilities. E-Tensity covers your HID needs with products for Metal Halide lamps ranging from 20 Watts to 400 Watts. E-Tensity EC20120xx EC20UNVxx EC39120xx EC39UNVxx EC70UNVxx EC100UNVxx EC150UNVxx EP250MRVSE EP320MRVSE EP350MRVSE EP400MRVSE E-Tensity Brochure