Fire-Lite SD365T Addressable Photoelectric Smoke Detector with Built-in 135°F (57°C) Fixed-Temperature Thermal Device, LiteSpeed Only, White

Protect critical facilities with dependable, code-ready detection: the Fire-Lite Alarms by Honeywell SD365T is an addressable combination detector engineered for accurate photoelectric smoke sensing plus a built-in 135°F (57°C) fixed-temperature thermal device. As a LiteSpeed-only, addressable photoelectric smoke detector, the SD365T delivers precise alarm reporting and low standby current, minimizing false alarms while ensuring continuous monitoring for security and fire systems.

Designed for commercial and institutional environments, the SD365T features a modern aesthetic with an enhanced optical chamber and an insect-resistant screen for simplified maintenance. Its tamper-resistant test switch (magnet-activated), LED polling indicator, and UL listing help meet compliance requirements and support efficient surveillance and facility management. The removable cover and separate wiring base with SEMS screws allow fast installation and easy field servicing—ideal for campuses, retail, healthcare, and other high-traffic sites.

Integrate this addressable detector into your fire alarm and security monitoring network to improve detection accuracy and lower lifecycle costs. Contact sales or add the Fire‑Lite SD365T to your next commercial fire protection project.

• Fast, reliable multi-criteria detection: photoelectric sensing plus a built-in 135°F (57°C) thermal device reduces response time to real fire conditions while limiting nuisance alarms.
• Seamless system integration: addressable LiteSpeed-only compatibility simplifies panel communication and improves monitoring and diagnostics for security and fire alarm networks.
• Reduced maintenance and total cost of ownership: removable cover, insect-resistant screen, and low standby current make routine service quick and inexpensive.
• Tamper-resistant and code-ready: magnet-activated functional test, LED polling indicator, UL listing, and sealed design support regulatory compliance and secure installations.
• Flexible installation and scalability: interchangeable base with relay/isolator/sounder options and direct ceiling or electrical-box mounting streamlines upgrades across commercial sites.