Four-Wire Photoelectric Smoke Detector with Integrated Fixed Temp. and Rate-of-Rise Heat Detector
The ESL 449/448 Series self-diagnostic, four-wire smoke detectors continually monitor their own sensitivity and operational status, and provide a visual trouble indication if they drift out of sensitivity range or fail internal diagnostics. This unique, patented technology meets NFPA 72 field sensitivity testing requirements without the need for external meters.
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 2.00 × 4.00 × 4.00 in |
| Detection Method | Fixed Temperature, Photoelectric, Rate-of-Rise |
| Thermal Rating | 135°F |
| Production Status | Obsolete |
| Brand |
449/448 Series; Self-Diagnostic, Four-Wire, Photoelectric Smoke Sensors
ESL – Data Sheet
ESL 429/449 Series; Self-Diagnostic Photoelectric Smoke Detectors
GE Security – Installation Instructions
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