1HP 480V 3PH 2.5 AMP 4M DRIVE This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. 1HP 480V 3PH 2.5 AMP 4M DRIVE Specifications 1HP 480V 3PH 2.5 AMP 4M DRIVE How to Use Contact your Norchem rep for step-by-step instructions. Tweet