The Siemens 8WD4200-1AC is a high-quality, steady light element designed for signalling columns. This versatile component is compatible with both AC and DC power sources, ranging from 12 to 240 volts. The light element is green in colour, providing clear and bright signalling in various industrial settings. With a diameter of 50mm and a bayonet mounting type, it offers easy installation and a compact footprint. The 8WD4200-1AC operates efficiently in a wide temperature range of -20 to +60 degrees Celsius and boasts an IP54 protection class, ensuring its durability and reliability in challenging environments. This Siemens light element does not come with a light source, offering you the flexibility to use either a filament lamp or LED, depending on your specific needs. Please note that the light source must be compatible with a BA 15d socket. The Siemens 8WD4200-1AC is a robust and reliable choice for your signalling needs.