Dual Power Automatic Transfer Switch 110V 3P 63A Generator Changeover Switch For Product Features Automatic transfer switch: Pole Numbers : 3p,voltage 110v, current 16a-63A, insulation voltage 110v Conversion time: 1-2 seconds, conversion mode: manual/automatic, can be switched freely, and there is an indicator light to prompt CB type micro break automatic switch: provides overload protection, short circuit protection, self switching and self resetting, high-quality flame-retardant shell Easy installation: Fixed installation (requires 4 screws to fix), using silver contacts to improve service life Special reminder: This switch is used for switch conversion and is not a backup power source. It cannot replace the battery Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!