... Low, High voltage, spikes and surges A/C GUARD 16A, 20A, 25A AVS with Over-Current Protection MODEL: A/C Guard ... over-loadSingle phase, direct wiring for extra securityAvailable in 16A, 20A and 25A Nominal Voltage230VCurrent Rating16,20,or 25AmpsFrequency50/60HzUnder/over ... the air conditioner is safely disconnected. To resume operation, simply switch the A/C Guard circuit breaker on again, assuming the ...