Siemens FDO421

The Siemens FDO421 is a reliable optical smoke detector designed for efficient fire detection in various settings. This photoelectric sensor operates on a 2-wire, plug-in system with a voltage range of 16 to 30 VDC, making it straightforward to integrate into existing fire safety setups. It features a self-testing function to ensure ongoing performance and supports environments with humidity levels from 0 to 95% non-condensing. With a current rating of 280 mA, the FDO421 provides consistent and responsive smoke detection. This product is available through BSP Automation, offering a practical solution for enhancing fire detection systems.