220V Surge Protector, Voltage Protector for Refrigerator, Air Conditioner & Home Appliances, Heavy Duty 20A 4400W Voltage Regulator with High & Low Voltage Protection, Brownout Protection

[Comprehensive Surge & Voltage Protection] Protect appliances from high/low voltage, brownouts, power surges, lightning, and voltage fluctuations. Adjustable under-voltage protection (170V197V) and over-voltage protection (265V) automatically disconnect power when unsafe voltage is detected, helping protect refrigerators, air conditioners, freezers, washing machines, and other 220V appliances. [20A Heavy-Duty Protection with 3-Minute Delay] Designed for 220V 20A appliances up to 4400W. The built-in 3-minute delay helps prevent compressor damage caused by frequent restarts after power interruptions. Ideal for refrigerators, air conditioners, mini splits, freezers, and other heavy-duty appliances.

[Flame-Retardant & Reliable] Made with premium UL94 flame-retardant materials for long-lasting durability and dependable performance. Provides reliable protection against voltage fluctuations and power surges for home, office, and commercial use. [Clear 4-Color LED Indicators] Easy-to-read LED indicators show operating status at a glance. Red Light indicates over-voltage or under-voltage protection, Yellow Light indicates the 3-minute delay, and Green Light indicates normal voltage with safe power output. [20A 220V ONLY Verify Before Purchase] Designed exclusively for 220V 20A NEMA 6-20 outlets and appliances up to 4400W. Not compatible with standard 120V household outlets or NEMA 5-15/5-20 receptacles.

Ideal for 220V air conditioners, refrigerators, freezers, air compressors, commercial equipment, and other compatible 220V appliances. Please verify your outlet type before ordering