Orders placed after 4pm on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The PowerSwitch Failsafe AC Power Controller from Henry Engineering can be used to switch between main and backup devices or as a main power switch. With its automatic switching capabilities, the PowerSwitch is ideal for switching between main and backup Arbitron PPM encoding units.
Audible alarm sounds when unit enters Backup mode
Integrated power supply
In the Box
Henry Engineering PowerSwitch Failsafe AC Power Controller
Table of Contents
115VAC, 2W + load wattage
2: Main and Backup, 115VAC, 500W per outlet
City of Los Angeles Electrical Test Lab
5.75 x 5.5 x 1.6" (146.05 x 139.7 x 40.64mm)
3 lbs (1.36kg)
Henry Engineering PowerSwitch Failsafe AC Power Controller Review