Kidde 30CUAR / 30CUA10 Hardwired Combo
The Kidde 30CUAR / 30CUA10 Hardwired Combo lists a 10-year life, per Kidde. A hardwired smoke and carbon monoxide combo alarm with battery backup that connects by wire to other Kidde alarms. The 30CUA10 has a 10-year backup battery and the 30CUAR uses AA batteries.
Alarm spec sheet
| Type | Smoke and CO combo |
|---|---|
| Power | Hardwired with battery backup |
| Listed life | 10 years, per the maker |
| Interconnect | Wired |
Listed features
- Hardwired interconnect with other Kidde alarms
- 10-year backup battery on the 30CUA10
Worth checking
- Needs wiring into household power
Where to buy the 30CUAR / 30CUA10 Hardwired Combo
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- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Kidde 30CUAR / 30CUA10 Hardwired Combo | |
|---|---|
| Type | Smoke or CO alarm |
| Alarm | combo |
| Power | Hardwired with battery backup |
| Interconnect | wired |
| Standards (maker) | UL Listed; designed to the latest UL standard for safety and reliability |
| Replace after | 10 years |
Compare the 30CUAR / 30CUA10 Hardwired Combo with
How each closest rival differs from the 30CUAR / 30CUA10 Hardwired Combo, from the makers' specs.
30CUAR / 30CUA10 Hardwired Combo: questions answered
From Kidde's published specs, last checked 2026-11-11.
Where should the Kidde 30CUAR / 30CUA10 Hardwired Combo go?
Maker's standards wording: UL Listed; designed to the latest UL standard for safety and reliability. Use and supervision: follow the maker's warnings on the product, and see the AAP's safety and prevention pages. Check the label and the maker's instructions, and ask your pediatrician about your child.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More smoke and CO alarms
Where these specs come from
- kidde.com/products/detect/hardwired-combo-alarm-with-10-year…
- kidde.com/products/detect/hardwired-combo-alarm-with-aa-backup-battery
Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.