New Siemens FDT421 S54320-F5-A1 Desigo Fire Alarm Thermal Heat Detector Head

The Siemens FDT421 S54320-F5-A1 is a thermal heat detector head designed for use in fire alarm systems to detect heat and trigger alarms in case of fire.

Key Specifications

• Compatibility: Siemens Desigo fire alarm systems
• Operating Temperature: 0°C to 50°C
• Response Time: Less than 30 seconds
• Mounting: Standard base with screw terminals
• Alarm Temperature: Fixed at 57°C