The System Sensor 5621 is a robust 135°F fixed temperature heat detector designed for precise thermal event detection in commercial and industrial environments. This UL-listed heat detector provides critical early warning for fire conditions by triggering an alarm when ambient temperatures reach the preset 135-degree Fahrenheit threshold. Engineered for reliability, the 5621 is ideal for installation in spaces where rapid heat accumulation signals potential fire risks.
Specifically optimized for commercial applications, this heat detector functions independently of smoke detection methods, making it an essential component in comprehensive fire protection strategies. Its fixed temperature design ensures consistent performance in areas with potential high heat exposure, such as mechanical rooms, kitchen spaces, warehouses, and HVAC system environments. The detector’s simple yet effective thermal sensing mechanism provides a critical layer of protection beyond traditional smoke detection technologies.
Key Features
- Fixed temperature thermal detection at 135°F, compliant with NFPA 72 fire alarm standards
- Compatible with standard commercial fire alarm control panels and addressable notification systems
- Durable construction with corrosion-resistant materials for long-term reliability
- Low-profile design facilitates seamless integration into existing architectural spaces
- Designed for use in challenging environmental conditions, including industrial and commercial settings
- Quick and straightforward installation with standard mounting configurations
Specifications
- Operating Temperature Range: 32°F to 100°F
- Maximum Humidity: 93% non-condensing
- Agency Listings: UL 268, UL 464, FM Approved
- Voltage Range: 8-33 VDC
- Current Draw: Standby @ 24VDC: <100µA
- Base Compatibility: Standard 4″ and 6″ mounting bases
Fire alarm professionals rely on the System Sensor 5621 for dependable thermal event detection across diverse commercial infrastructure. Whether integrated into office complexes, manufacturing facilities, retail spaces, or institutional buildings, this heat detector provides a critical safeguard against potential fire hazards. Its precise thermal sensing capabilities complement comprehensive fire protection strategies, offering building managers and safety professionals an additional layer of early warning technology.
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 | System Sensor |
| Part Type | Heat Detector |
