Fire-Lite SD365 Smoke Detector for Commercial Fire Alarm Systems

The Fire-Lite SD365 Addressable Photoelectric Smoke Detector is an intelligent smoke detector designed for use with compatible Fire-Lite addressable fire alarm control panels. Featuring advanced photoelectric sensing technology and LiteSpeed® communication, the SD365 delivers fast, reliable smoke detection while providing accurate point identification for simplified maintenance and alarm reporting.

Designed with a modern low-profile housing and enhanced optical sensing chamber, the SD365 is engineered to detect smoke from a wide range of combustion sources while helping reduce nuisance alarms. The detector communicates over a two-wire Signaling Line Circuit (SLC), making it an excellent choice for new installations, system expansions, and replacement projects in commercial fire alarm systems.

Key Features

• Addressable photoelectric smoke detector
• Compatible with Fire-Lite LiteSpeed® addressable fire alarm control panels
• Enhanced optical sensing chamber for dependable smoke detection
• Two-wire Signaling Line Circuit (SLC) connection
• Rotary decimal address switches for simple device addressing
• Low-profile contemporary design
• Dual LEDs provide 360° visible status indication
• Built-in tamper-resistant feature
• Functional test switch activated by external magnet
• Walk test with address display (LiteSpeed systems)
• Removable cover and insect-resistant screen for easy field cleaning
• Factory preset sensitivity for reliable performance
• Compatible with multiple intelligent detector bases, including sounder, relay, and isolator bases
• UL 268 and UL 268A Listed
• Brand-new commercial fire alarm product

Ideal Applications

• Commercial office buildings
• Schools and universities
• Healthcare facilities
• Hotels and hospitality
• Retail and mixed-use developments
• Industrial facilities
• Government buildings
• Commercial fire alarm system upgrades and replacements

Why Choose the Fire-Lite SD365?

The Fire-Lite SD365 combines intelligent addressable communication with proven photoelectric smoke sensing technology to deliver dependable fire detection for commercial life safety systems. Individual point identification helps maintenance personnel quickly locate devices, simplifying inspections, troubleshooting, and routine service.

Its LiteSpeed communication, low standby current, low-profile design, and compatibility with a wide range of intelligent detector bases make the SD365 a popular choice for contractors, system integrators, and facility managers seeking reliable Fire-Lite detection devices.

Technical Specifications

• Manufacturer: Fire-Lite
• Model: SD365
• Device Type: Addressable Photoelectric Smoke Detector
• Communication Protocol: LiteSpeed®
• System Type: Intelligent Addressable Fire Alarm Systems
• Detection Technology: Photoelectric Smoke Sensing
• Connection: Two-wire Signaling Line Circuit (SLC)
• Addressing: Rotary Decimal Address Switches
• Operating Voltage: 15–32 VDC
• Standby Current: 200 μA @ 24 VDC
• Maximum Current: 4.5 mA @ 24 VDC
• Operating Temperature: 32°F to 122°F (0°C to 50°C)
• Humidity: 10%–93% RH, non-condensing
• Air Velocity: Up to 4,000 ft./min.
• Listings: UL 268, UL 268A, ULC Listed, FM Approved
• Application: Commercial Fire Alarm Systems

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