The DIALIGHT 556 Series LED Panel Mount Indicators are robust and versatile components designed for use in a wide range of industrial applications, particularly those involving hazardous locations. These indicators incorporate both InGaN and AlInGaP technologies to maximize light output and are housed in a nickel-plated brass construction with a transparent polycarbonate lens (UL 94V-0). They are ideal for instrument panels, mining applications, safety systems, oil refineries, transportation, agricultural controls, petrochemical facilities, power generators, pump system controllers, and environmental monitoring equipment. The indicators are UL recognized (File #E156890), NEMA 4x and IP66 rated, and offer a tamperproof design with a long operational lifespan.