BRK SMOKE ALARM # SMI105-AC 120V 10YR

  • Item No M77068
  • Manufacturer FIRST ALERT/BRK BRANDS
  • Mfr. Item No SMI105-AC
$29.00
  • Unit of Measure EA
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  • Purchase History
  • General Ledger Coding
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The BRK SMI105-AC is a professional-grade, hardwired smoke alarm featuring advanced ionization sensing technology designed to reduce nuisance alarms from cooking while providing early warning for fast-flaming fires. This 120V AC unit includes a 10-year factory-locked lithium battery backup, ensuring continuous protection during power outages without the need for battery replacements over the device's lifespan. It supports interconnection with up to 18 compatible BRK or First Alert devices, allowing all units to sound simultaneously when smoke is detected. The alarm is equipped with a latching indicator to identify the initiating unit, a single test/silence button, and a dust cover for protection during construction. Designed for easy installation, it features a gasketless base and a quick-connect plug, meeting UL 217 8th Edition and NFPA 72 standards.

BRK Hardwire Smoke Alarm with 10-Year Battery BackupAdvanced Smoke Protection, advanced sensing technology for early warning and less cooking nuisance alarms. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Interconnects with most First Alert and BRK alarms. When one alarm sounds, all compatible alams sound (up to 12 smoke alarms and 6 other alarms). Test/Silence Button, temporarily silence or test the alarm with one-touch, easy access button. Dust cover, keeps the alarm clean during construction. This unit has a lockable mounting bracket that prevents removal or tampering of the unit. This unit meets the applicable requirements of UL217, UL2034, CSFM, NFPA 72, NFPA 101, ICC.


Packaging/Shipping Size and Weight: Length: 5.69"  |  Width: 5.69"  |  Height: 2.25"  |  Weight: 0.61 lbs
Product Details
Color:White
Finish:Matte
Material:Plastic
Size:5.58" Dia x 1.99" H
Sensor Type:Ionization
Power Source:120V AC with 10-Year Battery Backup
Battery Backup:10-Year Sealed Lithium
Interconnectivity:Up to 18 units (12 smoke alarms max)
Compliance:UL 217 8th Edition, CSFM, NFPA 72, NFPA 101, ICC
Alarm Decibel:85dB at 10 feet
Sound Level:85dB at 10 feet
Standards Compliance:UL 217, NFPA 72, CSFM, ICC
Warranty:10-Year Limited
Interconnectable:Yes (Up to 18 units)
Standards:UL 217 8th Edition, CSFM, NFPA 72, NFPA 101
Alarm Decibels:85dB at 10 feet
Alarm Sound Level:85dB at 10 feet
Operating Temperature:40°F to 100°F
Replacement Model:Replaces BRK 9120LBL
Special Features:Latching Alarm Indicator, Precision Detection, Dust Cover Included
Battery Type:Sealed Lithium
Interconnection:Up to 18 units (12 smoke, 6 other)

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General Ledger Coding

General Ledger Coding is a value added service provided for you at no additional cost.

General Ledger Coding makes accounting easier by providing you with a calculated total of purchases based on your General Ledger Codes.

In addition to traditional General Ledger Summary provided at time of invoice, we can also provide quotes and order acknowledgements with General Ledger Coding as well. We also give you the ability to change a GL Code for one or all items for renovation projects that may utilize a single GL Code. We can also code any of our "extended inventory" items with your General Ledger Code at the time of quote, order confirmation and invoicing as well. We can code our item numbers directly to your GL Codes should our item categories not align directly with your GL Code Categories.

Please contact us if you wish to implement our General Ledger Coding feature.

Any and all prices are subject to change without notice. We will always bill you at current prices prevailing at the time of shipment (excluding backorders). Availability of product can change at any time. We receive products daily and the availability may not always reflect what is in stock.

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