... Automatic protection against: Low, High voltage, spikes and surges A/C GuardAutomatic protection against: Low, High voltage, spikes and ... protection against short circuit and over-loadSingle phase, direct wiring for extra securityAvailable in 16A, 20A and 25A Nominal ... rating of your air conditioner or load.Sophisticated protectionThe A/C Guard’s Automatic Voltage Switcher functions protect against ...