Automatic reset on power restoration. It has ulti-mode surge suppression. It automatically shuts off the power when the following is present: Open ground, Open neutral, Low (<102V) and High (>132V) Voltage, Miswired pedestal, Reverse polarity
The caution indicator light indicates elevated ground voltage, or surge failure indication. Permanently installs within the bay of your coach, preventing potential theft and damage from the elements.
128 second reset delay protects A/C compressor