Permanent light element, clear, AC/DC 12-230 V, 50 mm diameter, base BA 15d without light element Permanent light element SIRIUS 8WD4 without light source for modular construction of signal columns, e.g. for visual and/or acoustic warning devices or for controlling complex processes.Thanks to the high protection class, the robust devices are suitable for industrial use and extremely resistant to shock and vibration. The secure bayonet lock allows easy installation and quick replacement of the light elements.In addition to a permanent light, flashing, blinking and rotating lights in various colors and voltages as well as buzzers and sirens are also available. They are available in various diameters, optionally also capable of communication via connection to AS-Interface. Optimum light distribution is achieved by using several LEDs in one light module.Feet, tubes, angles, light bulbs, LEDs and tube adapters are available as accessories.SIRIUS 8WD signal columns - modular and capable of communication with a modern design.