... Automatic protection against: Low, High voltage, spikes and surges A/C GuardAutomatic protection against: Low, High voltage, spikes and ... and over-loadSingle phase, direct wiring for extra securityAvailable in 16A, 20A and 25A Nominal Voltage230VCurrent Rating16,20,or ... switching on and off during fluctuations. The A/C Guard has a built-in microprocessor which adds the advanced feature TimeSave™ ...