GE Security 449CT Self-Diagnostic Photoelectric 4-Wire Smoke Detector
- Intelligent self-diagnostics
- Field-replaceable optical chamber
- Low-profile design
- Plug-in terminal block
- Advanced false alarm immunity

The 449CT is a self diagnostic 4-wire smoke detector from GE Security that is able to offer high sensitivity when it comes to detecting smoke within an application. The 449CT smoke detector comes with a 135.0 °F fixed heat detection rate, a low profile design, a 6.1-inch detector head diameter, a test and hush feature, advanced false alarm immunity, as well as an on-site maintenance alert, and a white colored appearance. The 449CT smoke detector also features a 1.85-inch detector head depth, a field-replaceable optical chamber, a plug-in terminal block, plus intelligent self diagnostics. This smoke detector is designed to promote high operating functions, and can detect a fire outbreak when it starts so everyone around can be notified and evacuated in the shortest amount of time possible.
Features
- Intelligent self-diagnostics
- Field-replaceable optical chamber
- Low-profile design
- Plug-in terminal block
- Advanced false alarm immunity
- Meets NFPA 72 field sensitivity testing requirements without the need for external meters
- On-site maintenance alert
- Model 449CSRH activates local alarm for smoke—perfect for rooms where smoking is permitted