Description
A Heat Detector is a vital fire detection device designed to sense significant increases in ambient temperature and trigger an alarm to alert occupants and fire protection systems. Unlike smoke detectors, heat detectors are ideal for areas where smoke, dust, steam, or fumes may interfere with smoke detection, ensuring reliable fire safety in challenging environments.
Heat Detectors operate based on either fixed temperature or rate-of-rise principles. A fixed temperature detector activates when the surrounding temperature reaches a preset threshold (e.g., 57°C, 68°C, 79°C, or 93°C), making it suitable for areas with gradually rising temperatures. A rate-of-rise detector responds to sudden increases in temperature, providing faster alarm response in rapidly developing fires.
Constructed from high-quality flame-retardant materials with robust internal mechanisms, heat detectors ensure long service life, minimal maintenance, and dependable performance. They are widely used in commercial buildings, industrial facilities, warehouses, kitchens, boiler rooms, and residential complexes, and can be easily integrated with modern fire alarm control panels.
Key Features
- Detects rapid or sustained temperature rise to activate alarms
- Reliable performance in dusty, humid, or smoke-prone environments
- Compact, durable, and flame-retardant design
- Quick response for early fire warning
- Compatible with conventional and addressable fire alarm systems
- Easy installation and minimal maintenance
- Compliant with international fire safety standards (UL, FM, EN 54)
Technical Specifications – Heat Detector
| Parameter | Specification |
|---|---|
| Detector Type | Fixed Temperature / Rate-of-Rise |
| Temperature Rating | 57°C / 68°C / 79°C / 93°C (custom options available) |
| Operating Principle | Thermal / Rate-of-Rise |
| Supply Voltage | 24V DC (typical) |
| Current Consumption | < 10 mA |
| Detection Range | Up to 12 m radius (depending on model) |
| Response Time | < 30 seconds (typical) |
| Material | Flame-retardant plastic with metal base |
| Mounting | Ceiling / Wall Mounted |
| Environmental Protection | IP42 / IP44 (model dependent) |
| Standards | UL / FM / LPCB / EN 54 |
Applications
- Commercial offices, malls, and high-rise buildings
- Industrial plants, factories, and warehouses
- Kitchens, boiler rooms, and mechanical areas
- Residential apartments and housing complexes
- Fire alarm and fire protection system integration



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