acoustic detector, compact, 22 mm, round, plastic, black, continuous tone 2.4 kHz, IP40, sound pressure min. 80 db./10 cm, with holder, operating voltage AC/DC 24 V, screw connection SIRIUS ACT acoustic detector for signaling states with a continuous tone.Under the SIRIUS ACT brand name, Siemens offers a unique portfolio of control and signaling devices with worldwide product approvals in three modern design series made of robust real metal and high-quality plastic.The innovative snap-on concept simplifies installation so much that only one hand and no special tools are required. Groove-free holes are sufficient for mounting holes, as 100% anti-twist protection is already integrated.Thanks to the consistently high protection class, the robust devices are suitable for industrial use and outdoor use. Cleaning with a high-pressure jet is even possible. Neither dust, oils nor aggressive alkalis can disrupt reliable operation.In addition to standard wiring, most devices can also be connected to the controller via PROFINET, AS-Interface or IO-Link. This reduces your wiring effort, minimizes sources of error and gives you more flexibility.The graphic online configurator provides convenient support when selecting and ordering individual devices, housings and labels. Comprehensive documentation (e.g. manual, 3D data, connection diagram) is available.Available versions: various voltage variants.Note: Compact device with integrated electrical function. Delivery includes holder.SIRIUS ACT - Performance in Action when commanding and reporting. Simply installed, simply strong, simply perfect.