Download the MFJ-1128 Manual 12 outlets. Factory installed fuses: three 1A, four 5A, four 10A, one 25A, one 35A. Built-in 0-25 VDC Voltmeter. ON/OFF switch controls outlet 4 through 12, handles 20 Amps total. Outlet 1, 2 and 3 are unswitched, handle 40 amps total. Includes 12 pair of Anderson PowerPole® 24 40A contacts, 10 fuses (2 each: 1,5,10,25,40A). 12Wx11/4Hx23/4D inches. Each Anderson PowerPole® outlet can carry up to 40 amps. You can fuse each outlet as needed to protect your accessories or transceiver. The main fuse is 40 amps. The standard color coded fuses simply plug in from outside. They are widely available ATC/ATO automobile fuses and can be used for 6, 12, 24 VDC systems. The heavy duty DC input cable is built-in -- you don't have to pay extra just to use it! It's a high-current carrying capacity eight gauge, flexible, stranded, six foot (can be shortened) cable with 5/16 ring terminals. It's color coded Red and Black. Extra Anderson PowerPole® connectors, contacts and fuses are included at no extra cost, unlike lesser competitive products. A massive 0.062 inch thick double sided plated through PC board with wide traces is used. The current path has an equivalent current carrying capacity of an enormous 4 ounce trace. RF-tight aluminum cabinet has mounting ears and ground post with wing nut.