Siren element, multi-tone 102 dB, 8 tones + variable volume, black, AC/DC 24 V, diameter 70 mm Siren element SIRIUS 8WD4 for the 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 acoustic elements. The acoustic elements can be adjusted in tone and volume. In addition to a continuous light, flashing, blinking and rotating lights in various colors and voltages as well as buzzers and sirens are available. They are available in various diameters and can optionally also be communication-capable via connection to IO-Link or AS-Interface. By using several LEDs in one light module, optimal light distribution is achieved. 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.