Highly accredited within the industry. Order b4 1pm weekdays, we’ll dispatch today. APC AP7723 Automatic Transfer Switch 645771. Need help with this item? Fast dispatch on your order. Order before 11am and we’ll dispatch today! Not happy with this item? Send it back with no fuss. This item has been previously used in a working environment and has been fully reset. Please note, no power supply is included in this listing. Good price very happy.