The Siemens FDOT421 Multi-sensor Smoke Detector represents advanced fire detection technology engineered for mission-critical commercial and institutional environments. Designed as an addressable intelligent detector for comprehensive fire monitoring systems, this multi-criteria device provides superior detection capabilities by simultaneously analyzing multiple environmental parameters to minimize false alarm potential.
Optimized for integration with Siemens fire alarm control panels and compatible addressable notification appliance circuits, the FDOT421 leverages advanced photoelectric and thermal sensing technologies to deliver precise fire event detection. Its intelligent design enables rapid smoke and heat pattern recognition across diverse commercial settings, including office complexes, educational facilities, healthcare institutions, and industrial environments with complex environmental conditions.
Professional fire alarm installers and facilities managers will appreciate this detector’s robust engineering, which supports comprehensive fire safety strategies through sophisticated sensing mechanisms and seamless system integration.
Key Features
- Multi-sensor technology combining photoelectric smoke detection with thermal sensing for enhanced accuracy
- Compatible with Siemens addressable fire alarm panels and standard 4-wire notification circuits
- NFPA 72 compliant design with UL 268 and UL 464 certifications
- Wide environmental operating range (-4°F to 140°F) with integrated drift compensation
- Low-profile architectural white housing supporting aesthetic installation requirements
- Built-in address programming capabilities for simplified system configuration
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: 200 μA typical
- Alarm Current: 5 mA maximum
- Base Compatibility: Standard 4-inch universal mounting base
- Dimensions: 4.75″ diameter, 2.1″ height
- Weight: 5.3 oz
Ideal for commercial applications requiring sophisticated fire detection, the FDOT421 supports comprehensive safety strategies across diverse environments including commercial office buildings, healthcare facilities, educational campuses, and manufacturing complexes. Its intelligent design minimizes nuisance alarms while providing rapid, reliable fire event recognition.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 5 × 5 × 2 in |
| Condition | New |
| Manufacturers | Siemens |
| Part Type | Smoke Detector |
