Firex I12040

Wire-In Smoke Alarm, 120V, AC/DC

Condition: New
Brand: Firex
Status: Active
SKU: 5009
Manufacturer Part #: I12040
Secondary Part #: 21006378


The Kidde i12040 is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with 9V battery backup.

This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms.

  • Ionization Sensing Technology
  • One button design (operates Smart HushTM and test) – Large mounting base
  • Tamper resist feature
  • Alarm memory
  • Pre-stripped wiring harness with tinned strands
  • One (1) Unit Per Order

Additional information

Weight 0.5 lbs
Dimensions 5.75 × 1.5 × 5.75 in

Production Status



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