Mircom SD-4WT


4-wire photoelectric smoke detector with heat sensor c/w 4-inch base

Availability: Estimated 6 - 8 Business Days

  • Factory New
Brand: Mircom FireAlarm.com Part #: 80844 Categories: , , Manufacturer Part #: SD-4WT Tags: ,


The Mircom SD-4WT is a four-wire photoelectric smoke detector with a fixed temperature heat sensor. The SD Series photoelectric smoke detectors are engineered to meet strict UL fire safety codes and effectively respond to a wide spectrum of fires. The SD Series smoke detectors are suitable for use in commercial, industrial, institutional and residential occupancies. The sleek low-profile design of the detectors emphasizes ease of installation and field maintenance.


Weight 1.50 lbs
Dimensions 3.94 × 3.94 × 1.81 in



  • Two and four wire models
  • Photoelectric smoke sensing technology
  • Uses smoke sensor in conjunction with a fixed temperature heat sensor to extend reliability
  • Durable sensor head, no need for replacement
  • Remote LED output on select 2-wire models
  • N/C (normal close) or N/O (normal open) selectable relay output
  • Easy installation and maintenance
  • Attractive sleek housing
  • UL listed


Photoelectric Smoke Detectors; SD Series
Mircom – Data Sheet


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