The Secutron MRI-4021 Photoelectric Smoke Detector represents a high-performance detection solution for comprehensive fire safety systems in commercial and institutional environments. Engineered for reliability and precise smoke sensing, this non-isolated detector from the Secutron 4000 Series provides advanced early warning capabilities for facility protection.
Designed for seamless integration with modern addressable fire alarm panels, the MRI-4021 utilizes sophisticated photoelectric sensing technology to detect slow-burning, smoldering fires that generate significant smoke before open flame occurs. Its robust construction and precision optics enable consistent performance across varied environmental conditions, making it ideal for office buildings, educational facilities, healthcare settings, and complex industrial environments.
Key Features
- Advanced photoelectric sensing with high-sensitivity optical chamber
- Compatible with most major addressable fire alarm control panels
- Low-profile design minimizes aesthetic disruption in finished spaces
- Wide operating voltage range supporting flexible system configurations
- Built-in drift compensation for sustained accuracy in challenging environments
- UL 268 listed for comprehensive compliance with national fire protection standards
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: < 250 µA
- Alarm Current: 5-7 mA
- Temperature Range: 32°F to 100°F (0°C to 38°C)
- Relative Humidity: 10% – 93% non-condensing
- Dimensions: 6.0″ diameter x 2.0″ height
Compliant with NFPA 72 fire alarm and signaling code requirements, the Secutron MRI-4021 provides critical life safety detection for commercial and institutional applications. Its advanced photoelectric sensing technology ensures rapid, reliable smoke detection across diverse installation scenarios, from data centers and healthcare facilities to educational campuses and commercial office complexes.
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 | 5 × 4.5 × 2 in |
| Condition | New |
| Manufacturers | Secutron |
| Part Type | Photoelectric Smoke Detector |
