2D51 Duct Smoke Detector for Special Applications
The System Sensor 2D51 low-profile photoelectric smoke detector with a B210LP base tied to the D4P120 is listed to Underwriters Laboratories 268A specifically for use in no-flow/low-flow air-handling systems.
Features for 2D51/B210LP/D4P120
Low-profile smoke detector design Low standby current Two L...