Gamewell-FCI ATD-L3-IV Fire Alarm Thermal Heat Detector + Base - This intelligent thermal sensor provides reliable fire detection in environments where smoke-based sensors might trigger nuisance alarms. - Operating voltage: 15–32 VDC - Temperature rating: 135°F (57°C) fixed threshold - Standby current: 300 µA at 24 VDC - Communication protocol: Analog addressable - Installation type: Twist-lock base mounting

Engineered for high-performance safety, this detector offers significant advancements over older mechanical thermal units by providing precise, addressable data directly to the fire alarm control panel. While legacy sensors often lacked the granularity needed for modern life-safety systems, this model ensures rapid response and simplified maintenance through digital sensitivity monitoring.

Advanced Detection and System Integration

Intelligent Environmental Sensing: The ATD-L3-IV utilizes sophisticated algorithms to distinguish between ambient temperature fluctuations and actual fire threats, minimizing false activations in challenging industrial or commercial settings.

Streamlined Addressable Communication: By functioning within an analog addressable loop, this detector reports its exact status and location to the system, allowing for faster emergency response and more efficient diagnostic troubleshooting.

Robust Mounting Design: The included base provides a secure, reliable connection that simplifies installation and ensures consistent electrical contact, even in areas subject to minor vibrations or environmental shifts.

Energy-Efficient Operation: Designed to maintain a low current draw during standby, this unit contributes to the overall stability and long-term reliability of your facility's fire alarm network without taxing system power supplies.