The Simplex (565-637) 4098-9681 duct detector represents a critical component in comprehensive fire detection and HVAC monitoring systems for commercial and institutional facilities. Engineered to provide precise smoke detection within air handling units and ventilation ductwork, this advanced detector enables early fire event identification and rapid system response across complex building environments.
Designed for seamless integration with Simplex addressable fire alarm panels, this duct detector utilizes advanced optical sensing technology to detect smoke particles circulating through air distribution systems. Its robust construction and sophisticated sensing mechanism allow for reliable performance in challenging environmental conditions, ensuring continuous monitoring of critical HVAC infrastructure in hospitals, educational facilities, office complexes, and industrial settings.
Fire alarm professionals will appreciate the detector’s sophisticated design, which enables precise smoke detection while minimizing nuisance alarms and maintaining optimal system reliability. Compatible with a wide range of Simplex control panels and network configurations, this duct detector provides flexible installation options for complex fire detection architectures.
Key Features
- Advanced optical smoke sensing technology for precise particulate detection in air handling systems
- Full compatibility with Simplex addressable fire alarm panels and network configurations
- NFPA 72 compliant design meeting rigorous commercial fire detection standards
- Suitable for environmental temperatures ranging from 32°F to 120°F with minimal calibration requirements
- Low-profile mounting configuration supporting streamlined installation in constrained mechanical spaces
- UL 268 and UL 864 listed for guaranteed performance and regulatory compliance
Specifications
- Operating Voltage: 24VDC
- Current Draw: Typically 250μA in standby, 50mA during alarm
- Sensing Chamber: Photoelectric sensor with advanced signal processing
- Recommended Duct Width: 4″ to 36″
- Sampling Tube Length: Configurable up to 30 feet
Installation applications include commercial office buildings, healthcare facilities, educational campuses, data centers, and industrial complexes requiring continuous HVAC smoke monitoring. Ideal for integration with central fire alarm systems utilizing addressable communication protocols and providing comprehensive life safety monitoring.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 8.5 × 6 × 4.8 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Duct Detector |






