System Sensor COSMO-2W i4 2-Wire Smoke and CO Detector

$171.45

Monitor smoke and carbon monoxide with a 2-wire system detector, replaceable 10-year CO cell, RealTest, distinct panel signals, and 85 dB sounder.

Connection & Power

2-Wire Fire Loop

Wired Connection

DC Powered

Description

The System Sensor COSMO-2W combines a photoelectric smoke chamber and electrochemical carbon-monoxide cell in one system-connected detector. Used with the required COSMOD2W interface, it sends distinct smoke, CO, and optional trouble information to a compatible alarm panel instead of reducing both hazards to one generic zone.

Smoke events use a temporal-three tone and red LED; carbon-monoxide events use temporal four and a blue LED. RealTest allows a technician to verify that canned CO reaches and activates the sensing cell, while the field-replaceable CO module carries a typical ten-year end-of-life timer. Drift compensation and smoothing algorithms support stable smoke sensitivity, and the two-wire loop can use EZ Walk verification.

For homes and small businesses, one coordinated detector can reduce wall and ceiling clutter while preserving the correct monitored response for each hazard. It is Recommended to verify the interface-module capacity, listed panel connection, detector spacing, sounder behavior, and central-station signals before placing the zone in service.

Key Features

  • Photoelectric smoke and electrochemical CO sensing
  • Two-wire connection through required COSMOD2W interface
  • Distinct smoke, CO, and trouble reporting
  • 85 dBA supplemental integral sounder
  • Temporal three smoke and temporal four CO tones
  • RealTest functional CO-cell testing
  • Field-replaceable CO cell with typical 10-year life
  • Drift compensation and smoothing algorithms
  • EZ Walk loop-verification support
  • 8.5-35V DC operating range
  • UL 268 and UL 2075 compliance

Full Specifications

Detection Type:
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Sensor Supervision:
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Sensor Technology:
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Sensor Type:
Audio Features:
Sound Output:
Connection Type:
Wired Connection Type:
Power Input:
Powered by:
Compliance & Certifications:
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Operating Temperature Range:
Placement:
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System Type:
Weight:
0.575 lbs
Dimensions:
5.5 × 5.5 × 2.5 in
  • The 85 dBA integral sounder is supplemental and does not replace a required listed notification circuit.

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