... common. They are generated by lightning and nearby switching off and on of other equipment such as ... protectionProtection 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-conditioner ...