Industrial, residential and various occasions where continuous power failure is not allowed. Auto mode and Manual mode for choise. 250A 4P Dual Power Automatic Transfer Switch. Life Electrical:8000times; Mechanical: 3000times. This item is in the category "Business & Industrial\Light Equipment & Tools\Transfer Switches".
The seller is "yybcheerup" and is located in this country: US. This item can be shipped to United States.