Gamewell-FCI ATD-L3-IV Fire Alarm Thermal Heat Detector + Base - This high-precision thermal detection unit provides rapid, reliable response to rising temperatures in critical life-safety environments. Engineered for seamless integration into modern fire alarm systems, it ensures robust monitoring where rapid heat accumulation is the primary indicator of fire. - Fixed temperature threshold: 135°F - Voltage range: 15 to 32 VDC - Operating current: 300 µA at 24 VDC - Sensitivity range: 1.0 to 3.5%/ft - Compatible base: Included standard mounting assembly

Compared to legacy thermal sensors, this model offers a significantly reduced profile and improved signal processing to minimize false alarms. While older mechanical heat detectors often struggled with environmental drift, the ATD-L3-IV utilizes advanced solid-state circuitry that maintains stable performance over a wider range of ambient conditions and service life cycles.

Advanced Thermal Monitoring and System Reliability

The Gamewell-FCI ATD-L3-IV leverages sophisticated thermistor technology to deliver precise, real-time fire detection. Its architecture is optimized for high-speed data communication with the control panel, ensuring that critical alerts are transmitted without latency. By incorporating a dedicated base, the unit allows for simplified installation and maintenance, providing a durable solution that meets the rigorous demands of professional fire protection standards.