The power failure alarm continuously monitors 120V AC power outlets and if there is an interruption, the LED flashes and a 103dB beeping alarm sounds to let you know. The alarm can be silenced by pushing the green button. A selectable "snooze alarm" feature will cause the alarm to come back every 30 minutes until power is good. Will alarm for 50 hours straight with the supplied Lithium battery.
The only power failure device with plug detection; if your plug becomes unplugged from the power fail alarm itself, this is detected electrically and the alarm sounds.
Simple installation, just pop in the (included) long-life lithium battery. After that you are protected for the next 10 years.
Very loud beeping audio buzzer - 103dB at 2 ft will never be missed even in noisy factories.
Extremely low power consumption allows the lithium battery (incuded) to last up to 10 years**. After that time, if battery power is low due to excessive alarming time, a low-battery warning alarm sounds for many weeks.
more about battery power
Flexible logic so it can detect millisecond blips, (useful for computer equipment) or only report power outages longer than 10 seconds. Optional mode for a 15-minute delay for either the audible alarm or auxilliary output.
Built-in Flashlight comes on when power fails to light walkways. 3W LED is the same LED used in high end $40 flashlights. When silence button toggles it on and off. Flashlight automatically turns off after 30 minutes to save power.
PFA-1 - Standard model. Electrical socket mount.
PFA-2 - Electrical socket mount with an output for connection to external devices like building alarms. Contact close or 9V output. (both 5 second duration) Connected by wire to external device.
PFA-4 - Electrical socket mount like PFA-1 and including built-in flashlight.
PFA-5 - wall-mounted in a weatherproof box with beacon LED. Suitable for different voltages and cord configurations.
PFA-6 - wall-mounted in weatherproof box with various foreign or high-voltage plug patterns.