2451TH - Plug-in Smoke Detector - Conventional Detection

Aspiration
Detection
- Detectors
- 8100 Series
- Other
- Accessories
- Piping
- Resources
- CAD Drawings
- FAAST Resource Page
Conventional
Detection
- Detectors
- 100 Series
- 400 Series
- Beam Detectors
- Carbon Monoxide
- Heat Detectors
- i³ Series
- i⁴ Series
- Other
- Accessories
- Bases
- Multi-Voltage Relays
- Tools
- 2-Wire Compatibility
- Resources
- BEAM Resource Page
- CAD Drawings
- CO Resource Page
- Heat Resource Page
- i³ Resource Page
- i⁴ Resource Page
Audible/Visible
Notification
- Devices
- Chimes
- Chime Strobes
- Horns
- Horn Strobes
- Speakers
- Speaker Strobes
- Strobes
- Specialty
- ExitPoint
- Mini-Horns
- MNS/General Evacuation
- Other
- Accessories
- Resources
- AV Resource Page
- CAD Drawings
- EASE Evac Software
- EASE Speaker Test Reports
- ECS Resource Page
- ExitPoint Resource Page
- Explanation of Published Voltage, Current, and SPL Specifications
- Online Tools
- Voice Evac Design Info
- Voice Evac Systems
HVAC Systems
Monitoring
- Detectors
- Conventional
- Intelligent
- Specialty
- Special Applications
- Watertight
- Other
- Accessories
- Multi-voltage Relays
- Resources
- CAD Drawings
- InnovairFlex Resource Page
Sprinkler Systems
Monitoring
- Detectors
- Waterflow Detectors
- Specialty
- Alarm Bells
- Explosion Proof
- Switches
- Pressure Switches
- Supervisory Switches
- Other
- Accessories
- Resources
- CAD Drawings
- EC Declaration of Conformity
- Sprinkler Resource Page
- System Sensor Now Offers CPD Approved Flow Switches
Intelligent
Detection
- Detectors
- Beam Smoke Detectors
- Duct Smoke Detectors
- Eclipse
- Multi-Criteria
- Pinnacle
- Smoke Detectors
- Thermal
- Modules
- Modules
- Other
- Accessories
- Bases
- Resources
- Acclimate Brochure
- AMCF/CO Resource Page
- BEAM Resource Page
- CAD Drawings
- Heat Resource Page
- Multi-Criteria Resource Page
- Pinnacle Brochure

Conventional Detection Product Line

i³ Series • i⁴ Series • 100 Series • 400 Series • Heat Detectors • Beam Detectors
2-Wire Compatibility • Multi-Voltage Relays • Bases • Accessories • Carbon Monoxide

This Model Has Been Discontinued

Replacement Model: 2WT-B, 4WT-B

Conventional Detection

Model:: 2451TH
Series:: 400 Series
Type:: Plug-in Smoke Detector
Description:: The 2451TH is a plug-in photoelectric smoke detector with a 135°F thermal sensor.

Specifications: 2451TH

Detection:	Photoelectric
Heat Sensor:	135°F (57.2°C) fixed
Operating Voltage:	(Mounting Base Dependent)
Alarm Current:	(Mounting Base Dependent)
Standby Current:	120 µA max.
Operating Temperature Range:	32° to 100°F (0° to 38°C)
Operating Humidity Range:	10% to 93% RH, noncondensing
UL Listed Velocity Range:	3000 fpm max.
Sensitivity:	3.0% ± .7%/ft. nominal
Dimensions:	3.2" (8.1cm) H x 4.0" (10.2cm) Dia. (unflanged base) or 6.2" (15.7cm) Dia. flanged base
Weight:	0.5 lb. (227 g)