The DIALIGHT 556 Series LED Panel Mount Indicators are robust and versatile devices designed for use in demanding industrial environments. Featuring both InGaN and AlInGaP technologies, these indicators provide high light output and are suitable for applications requiring Class 1, Division 2 ratings. Common applications include instrument panels, pump system controllers, safety systems, mining operations, oil refineries, UL 508 panel applications, petrochemical facilities, agricultural controls, environmental monitoring equipment, and power generators. The housing is constructed of brass with white or black nickel plating, ensuring long-term reliability and resistance to corrosion.