Over voltage disconnert 260v. minmum voltage 230v. current rating 16amps ffequency 50/60hz.mains spike response time 10ns.mains spike oischarge amps 6.5ka. spike protection 169j.hivolt voltage wait time 30seconds. protects against high and low voltage,brown-ouls, power back surges and voltage dips.these conditions are extemely harmful and damage to electrical and electronic equipment.by disconnecting the power when it's bad and reconnecting automatically on return of normal power, the dj-2188 appliance guard safeguards and protects against short term and long term damage to ensure longevity of your appliances.reconnection take place after a start-up delay to protect against frequency fluctuations.