Highly accredited within the industry. Order b4 1pm weekdays, we’ll dispatch today. APC AP7721 Automatic Power Transfer Switch 639691. 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. It has been tested and passed all diagnsotic tests. This listing includes a UK power cable. Good price very happy.