Intelligent Detection Product Line

Smoke DetectorsDuct Smoke DetectorsBeam Smoke DetectorsThermal
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Intelligent Detection
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2251-COPTIR 2251-COPTIR 2251-COPTIR
2251-COPTIR Data Sheet Data Sheet (pdf)
2251-COPTIR Installation Instructions Installation Instructions (pdf)
2251-COPTIR Engineering Specs Engineering Specs

Advanced Multi-Criteria Fire Detector
NOTE: Due to the unique nature of this detector, please consult your Fire Alarm Control Panel Manufacturer for compatibility


2251TB 2251TB 2251TB
2251TB Data Sheet Data Sheet (pdf)
2251TB Installation Instructions Installation Instructions (pdf)
2251TB Engineering Specs Engineering Specs

Photoelectric Smoke Detector with Thermal


2251TMB 2251TMB 2251TMB
2251TMB Data Sheet Data Sheet (pdf)
2251TMB Installation Instructions Installation Instructions (pdf)
2251TMB Engineering Specs Engineering Specs

Acclimate® is a multi-criteria detector, combining photoelectric and 135°F thermal sensor signals to provide earliest warning of fire and reject nuisance alarms.


5251B 5251B 5251B
5251B Data Sheet Data Sheet (pdf)
5251B Installation Instructions Installation Instructions (pdf)
5251B Engineering Specs Engineering Specs

Fixed Temperature Thermal Detector


5251RB 5251RB 5251RB
5251RB Data Sheet Data Sheet (pdf)
5251RB Installation Instructions Installation Instructions (pdf)
5251RB Engineering Specs Engineering Specs

Rate-of-Rise Thermal Detector


5251H 5251H 5251H
5251H Data Sheet Data Sheet (pdf)
5251H Installation Instructions Installation Instructions (pdf)
5251H Engineering Specs Engineering Specs

High Temperature Thermal Detector



Discontinued Products
Discontinued Model Installation Instructions Data Sheet Replacement Model
2251T 2251T Brochure 2251T Data Sheet 2251TB
Photoelectric Smoke Detector with Thermal
2251TM 2251TM Brochure 2251TM Data Sheet 2251TMB
Acclimate is a multi-criteria detector, combining photoelectric and 135°F thermal sensor signals to provide earliest warning of fire and reject nuisance alarms.
5251P 5251P Brochure 5251P Data Sheet 5251B
Fixed Temperature Thermal Detector
5251RP 5251RP Brochure 5251RP Data Sheet 5251RB
Rate-of-Rise Thermal Detector
2551T 2551T Brochure 2551T Data Sheet 2251TB
Photoelectric Smoke Detector with Thermal
2551THR 2551THR Brochure 2551THR Data Sheet 2251TB
Photoelectric Smoke Detector with Thermal
5551 5551 Brochure 5551 Data Sheet 5251B
Fixed Temperature Thermal Detector
5551B 5551B Brochure 5551B Data Sheet 5251B
Fixed Temperature Thermal Detector
5551R 5551R Brochure 5551R Data Sheet 5251RB
Rate-of-Rise Thermal Detector
Protectowire Linear Heat detector   Protectowire Linear Heat detector Data Sheet  
Protectowire Linear Heat Detector is a proprietary cable that detects heat conditions anywhere along its length.