System Sensor (FFT-STSS) Single telephone station surface mount

The System Sensor FFT-STSS Single Telephone Station Surface Mount Heat Detector represents a critical component in comprehensive fire detection and notification systems for commercial and institutional environments. Engineered to provide reliable thermal detection in challenging installation scenarios, this surface-mounted heat detector offers precise temperature-based fire event recognition for facilities requiring robust life safety infrastructure.

Designed for direct mounting on electrical boxes, ceilings, and structural surfaces, the FFT-STSS integrates seamlessly with modern addressable fire alarm control panels and conventional notification circuits. Its rugged construction and precision thermal sensing element make it ideal for applications including office complexes, educational facilities, healthcare environments, and industrial settings where early heat detection is paramount to protecting occupants and assets.

Key Features

• Fixed temperature thermal detection at 135°F (57°C) with rapid response characteristics
• Surface mount design compatible with standard electrical boxes and mounting configurations
• NFPA 72 compliant heat sensing technology for commercial fire alarm systems
• Low-profile construction minimizes visual intrusion while maintaining professional aesthetic
• Compatible with most major addressable and conventional fire alarm control panels
• UL Listed and FM Approved for critical life safety applications

Technical Specifications

• Operating Voltage: 15-32 VDC
• Maximum Standby Current: 100 µA
• Alarm Current Draw: 20 mA typical
• Operating Temperature Range: 32°F to 100°F (0°C to 38°C)
• Mounting Depth: Approximately 1.5 inches
• Listed Standards: UL 268, UL 521, NFPA 72

Fire alarm professionals will appreciate the FFT-STSS’s reliability in critical detection environments, including commercial office spaces, manufacturing facilities, data centers, and institutional buildings where precise thermal monitoring is essential for comprehensive life safety systems.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com