Reliance Controls THP108 POWER BACK Mains Return Alarm. Connects through a knockout hole in the top of a home load center. Voltage detector cable wraps around service entrance wire. Sounds alarm when power is restored.

Highlights:

• Voltage: 120 volts
• Circuit protection type: Alarm
• Mounting type: Flush
• UL Listed: Yes
• Utility power return alert
• Intended to be installed on any manual transfer panel or generator-ready load center
• In a power outage, the PowerBACK will sound an 86dBA (at 30cm) audible alert as soon as utility power is restored
• Installs easily in any 1/2" knockout within 20 inches of main breaker
• Battery powered with low battery indicator