Heavy Duty Wiring Surge Protector with LED Display, Adjustable Voltage & Delay, 220V 30A 6600W, 2100J Protection for Air Conditioners, Refrigerators, Mini Splits & Appliances

[2100J Heavy-Duty Surge Protection] Provides up to 2100 joules of surge protection to help safeguard high-power appliances from power surges, voltage spikes, and transient electrical disturbances. Ideal for air conditioners, refrigerators, mini splits, pumps, and other 220V equipment. [Adjustable Over & Under Voltage Protection] Customize the protection range to match your local power conditions. Set under-voltage protection from 170-210V and over-voltage protection from 220-260V. Automatically disconnects power when voltage falls outside the selected range to help prevent appliance damage. [180-300s Adjustable Delay Protection] Set the power restoration delay from 180 to 300 seconds.

After voltage returns to the normal range, the countdown allows power conditions to stabilize before reconnecting, helping prevent frequent restarts and protecting compressors and other sensitive equipment. [Real-Time LED Voltage Display] The built-in LED display clearly shows the current voltage level, making it easy to monitor incoming power conditions at a glance. Quickly identify abnormal voltage and stay informed of your appliance's operating environment. [30A 6600W Heavy-Duty Capacity] Designed for 220V systems with a maximum 30A and 6600W capacity, this hardwired voltage and surge protector is suitable for high-power applications such as air conditioners, refrigerators, mini splits, pumps, and other household or commercial equipment