Kidde 30CUAR / 30CUA10 Hardwired Combo vs Kidde 30CUD10 / 30CUD10-V 10-Year Combo

Side-by-side specs from each maker.

Only the differences are shown.

Kidde 30CUAR / 30CUA10 Hardwired ComboKidde 30CUD10 / 30CUD10-V 10-Year Combo
TypeSmoke or CO alarmSmoke or CO alarm
Alarmcombocombo
PowerHardwired with battery backup10-year battery
InterconnectwiredNot listed
Standards (maker)UL Listed; designed to the latest UL standard for safety and reliabilityUL Listed; designed to the latest UL standard for safety and reliability
Replace after10 years10 years

Kidde 30CUAR / 30CUA10 Hardwired Combo

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.

  • Hardwired interconnect with other Kidde alarms
  • 10-year backup battery on the 30CUA10
  • Needs wiring into household power

Kidde 30CUD10 / 30CUD10-V 10-Year Combo

A battery-powered smoke and carbon monoxide combo alarm with a 10-year battery. A voice-alert version is a separate model.

  • 10-year battery, no battery changes
  • Not listed by the maker: price