FAP‑520 Automatic Fire Detectors LSN improved version
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_9007200509693707.jpg)
FAP‑520 Automatic Fire Detectors LSN improved version
Smoke detector optical, white
Commercial Type No. FAP-O 520
Product No. F.01U.510.149
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_1255148043.jpg)
FAP‑520 Automatic Fire Detectors LSN improved version
Smoke detector, optical, color inserts
Commercial Type No. FAP-O 520-P
Product No. F.01U.510.161
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_1255343755.jpg)
FAP‑520 Automatic Fire Detectors LSN improved version
Detector, optical/chemical, white
Commercial Type No. FAP-OC 520
Product No. F.01U.510.151