Just as a reliable guardian for your electronic devices, the PR500LCDRT1U 500VA/400W Smart App Sinewave Rack/Tower Ups, Nema 5-15R, 1U is a high-capacity, durable, and efficient power backup solution. This advanced Ups system is designed to offer seamless power protection for corporate servers, department servers, storage appliances, network devices, and telecom installations that require Active Pfc power source compatibility.This compact yet robust Ups system employs line interactive topology and Automatic Voltage Regulation (Avr) to correct minor power fluctuations without switching to battery power, thereby extending battery life. This feature is particularly beneficial in areas where power fluctuations are frequent.The PR500LCDRT1U Ups system also provides surge protection by diverting excess voltage away from sensitive electronic equipment during an Ac power surge or power spike to prevent damage.