Sollatek voltshield a/c guard. Current rating 25amps. Nominal voltage 230v. Frequency 50/60hz. Mains spike response time 10ns. Mains spike discharge amps 6.5ka. Spike protection 160j. Wait time 4minutes. The a/c gurad protects low voltage, high voltage and power back surges by disconnecting the power to the equipment.It features a start up delay of about 4 minutes to preventt frequent switching on and during fluctuations. The a/c gurad has a built-in microprocessor which adds the advanced feature time save tm. When the mains returns to normal, the a/c gurad checks the duration of the off time. If the unit has been off for more than 4 minutes then it will reconnect the mains 10 seconds, rather than the standard 4 minutes. Circuit breaker function. An integral circuit breaker enhances the protection offered by the a/c gurad.If a short circuit or overload occurs, the circuit breaker detects the fault and the air conditioner is safely disconnected to resume operation, simply the power