The Autocall A4098-9755 addressable duct sensor housing with truealarm photoelectric sensor represents advanced detection technology for comprehensive HVAC fire monitoring in commercial and institutional environments. Engineered for precise air handling unit and ventilation system protection, this sophisticated duct detector integrates seamlessly with modern addressable fire alarm panels to provide early smoke detection across complex building infrastructure.
Designed for professional installers and facilities managers requiring reliable environmental monitoring, the A4098-9755 enables sophisticated detection strategies in challenging air management scenarios. The photoelectric sensing technology ensures sensitive and accurate smoke detection within air distribution systems, reducing false alarm potential while maintaining critical life safety performance standards.
Key Features
- Fully addressable design compatible with advanced fire alarm control panels supporting Class A and Class B wiring configurations
- Truealarm photoelectric sensor technology provides superior smoke detection with enhanced discrimination between actual fire conditions and nuisance environmental particles
- Robust housing engineered for NFPA 72 compliance with wide operating temperature range (-20°F to 150°F)
- Modular construction allows rapid sensor replacement without complete housing removal
- Low-profile design minimizes airflow disruption and maintains HVAC system efficiency
- UL 268 and UL 464 listed for mission-critical fire detection applications
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: 250µA typical
- Alarm Current: 5mA maximum
- Mounting Compatibility: Standard 4″ and 6″ round/rectangular ductwork
- Sensor Type: Analog photoelectric
- Environmental Rating: Indoor use, NEMA 1 equivalent
Ideal installation environments include commercial office complexes, healthcare facilities, educational institutions, data centers, and industrial manufacturing spaces requiring rigorous environmental monitoring. The A4098-9755 provides critical early warning detection within air handling systems, supporting comprehensive fire protection strategies and minimizing potential infrastructure damage.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 3.2 lbs |
|---|---|
| Dimensions | 13.3 × 11.1 × 6.4 in |
| Condition | New |
| Manufacturers | Life Safety |
| Part Type | Duct Detector / Housing |






