Pipeman's Installation Solution Refrigerator Protector is designed to protect domestic refrigerators, freezers, water coolers, etc. 

These features include:

Capacity of 1800W
Disconnection of overvoltage
Safety cycle of four minutes
Automatically detects 50/60 Hz
LED indicator with three modes
Ground pin that can be detached
The safety range is between 85 and 135 volts

In order to protect the appliance plugged in, this product functions similarly to a fuse, which is disrupted by a sufficient power surge. This product can only do this once, so once it has protected an appliance from a surge, it is spent and can no longer be used