Simplex 4098-5686 Duct-Mounted Smoke Detector

Simplex 4098-5686 Duct-Mounted Smoke Detector

The Simplex 4098-5686 is a 4-wire duct smoke detector designed for early detection of smoke propagation in HVAC, AHU, and air conditioning duct systems. It helps prevent the spread of smoke and toxic gases through ventilation, ensuring safety for the building and its occupants.

The product integrates a housing and output relay, allowing for flexible connection to control systems such as fans, dampers, BMS, or fire alarm control panels. With its specialized duct-mounted design, the 4098-5686 is suitable for installation in commercial buildings, hospitals, data centers, factories, and high-tech engineering projects.

The device is compatible with conventional Simplex fire alarm control panels and fully complies with international fire safety standards.

Key Features

• Early smoke detection in HVAC ductwork
• 4-wire configuration: separate power supply, independent fire alarm signal
• Integrated relay output, supports fan control, damper, and system interlocking
• Dedicated duct housing, easy to install and maintain
• Stable operation in continuous airflow environments
• Compatible with Simplex conventional fire alarm panels
• UL certified, meets international fire safety requirements
• Suitable for high-rise buildings, factories, shopping malls, and data centers

Technical Specifications

• Model: Simplex 4098-5686
• Device Type: 4-wire duct smoke detector
• Wiring Configuration: 4-wire
• Function: Smoke detection in HVAC duct systems
• Integrated Relay: Yes
• Housing: Included with the device
• Power Supply: 24 VDC (from fire alarm panel or external power source according to system configuration)
• Signal Output: Relay + fire alarm signal to the control panel
• Standard: UL Listed
• Operating temperature: 0°C to 49°C
• Humidity: Maximum 93% RH, non-condensing
• Applications: HVAC systems, AHU, technical rooms, machine rooms, commercial buildings