A Refrigerator Protector from Pipeman's Installation Solution can be used to protect refrigerators, freezers, water coolers of all types.  

Features: 

Two-pack 
Capacity of 1800W 
Uninterruptible overvoltage protection 
Safety cycle of 4 minutes 
50/60Hz auto-sensing 
LED Indicator with 3 modes 
Ground pin that can be detached 
AC 85-135V safety range

Its function is similar to that of a fuse, where an excessive power surge will disrupt the product's function in order to protect the plugged-in appliance. It is only capable of doing so once, so once it has protected the appliance from a surge, it is exhausted and can no longer function.