Sollatek voltshied tm avs 30amps appliance gurad automatic voltage switcher . nominal voltage 230v. current rating 30amps. frequency 50/60hz. mains spik response time<10ns mains spike discharge amps 6.5ka. spike protection 160j. wait time. (user adjustable 10secs to 10mins. protects against high and low voltage,brown-outs, power back surges and voltage dips. these conditions are extremely harmful and damage to electrical and electronic equipment.by disconnecting the power when it is bad and reconnecting automatically on return of normal power, the avs 30 appliance guard safeguard and protects against short term and long term damage to ensurue longevity of your appliance.reconnection takes place after a start-up delay to protect against frequent fluctuations