Fire-Lite SD355 Addressable Photoelectric Smoke Detector

Technical Specifications:

  • Operating Voltage Range: 15 to 32VDC
  • Standby Current: 300 at 24VDC (one communication every five seconds with LED light enabled)
  • Maximum Alarm Current (LED on): 6.5ma at 24VDC
  • Operating Humidity Range: 10 percent to 93 percent relative humidity, non-condensing
  • Operating Temperature Range: 32 F to 120 F (0 to 49 C)
  • Height: 2.0″ (51mm) installed in B350LP base
  • Diameter: 6.2″ (155mm) installed in B350LP base
  • Weight: 5.2 oz (147g)
  • Mounts to: Single-gang box 3.5″ (8.89cm), 4.0″ (10.16cm) octagonal box, 4.0″ (10.16cm) square electrical box (using included plaster ring)


The Fire-Lite SD355 is an addressable, photoelectric smoke detector used exclusively with Fire-Lite’s MS-9200, MS9200UD, and MS9600 addressable fire alarm control panels (FACP).

The detector’s single-source, dual-chamber system uses analog technology to communicate smoke density levels to a central control panel, with the sensor address coordinated using a rotary decade switch system. The device is equipped with LED lights to signal sensor activity, a removable cover and insect screen for easy cleaning, and built-in tamper resistance. Fire-Lite B350LP base included.

Addressable fire alarms can speed up emergency personnel response time because they are better at locating the source of a fire in its early stages by using direct, precise communication.


  • Two-wire loop connection
  • Unit uses base for wiring
  • Addressable by device
  • Direct Decade 01-99 (MS-9200UD) and 01-159 (MS-9600) entry of address
  • Unique, single-source, dual chamber design to respond quickly and dependably to a broad range of fires
  • Sleek, low-profile design
  • Integral communications and built-in type identification
  • Built-in tamper resistant feature
  • Removable cover and insect-resistant screen for simple field cleaning
  • Withstands air velocities up to 1,500 feet per minute (7.6m/sec) without triggering a false alarm
  • Factory preset at 1.5 percent nominal sensitivity for panel alarm threshold level
  • Visible LED “blinks” when the unit is addressed (communicating with the fire panel) and latches on in an alarm
  • Sealed against back pressure
  • Direct surface mounting or electrical box mounting
SKU: FPPHWAFFLSD355 Categories: , Brand:

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