... useful life of electrical appliancesEliminates the need to switch off appliances every time the electricity failsSafeguards ... against: High & Low -voltage, Surges/ Spikes, Power back surge, LightningMax.30AWait timeUser adjustable from 10 seconds ... protectionProtection against: High & Low -voltage, Surges/ Spikes, Power back surge, LightningMax.30AWait time30 seconds or 3 minutesApplicationAir- ...