3 Phase Automatic Voltage Switcher Control
3 Phase Automatic Voltage Switcher Control (AVS3P-0)
The AVS3P-0 is a 3-phase Automatic Voltage Switcher that controls an external 3-phase controller or contactor of any size. The AVS3P-0 will switch off the equipment connected to it if the mains power goes outside preset acceptable limits and will re-connect automatically – when the mains power returns to normal. Re-connection takes place after a delay (‘the start-up delay’) to ensure the stability of the mains.
In addition, the start-up delay (adjustable from 10 secs to 10 mins) provides protection against power-back surges commonly experienced after the resumption of power in a power cut situation. Surge and spike protection is also incorporated to ensure protection against these commonly occurring events
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