The Universal 1233-35W High Pressure Sodium HPS Magnetic Ballast is a reliable and efficient lighting solution for industrial facilities. This ballast operates at 120 volts and has a wattage of 50W, providing consistent and powerful lighting. With a sleek black color and compact dimensions of 2.25" in height, 2.50" in length, and 2.63" in width, this ballast is easy to install and maintain. Built by Universal Lighting Technologies, this product ensures quality and performance in a variety of lighting applications.