Enclosed 6 Port DC power distribution panel, Basic SKU; The output ports are protected by one MAIN fuse. The ports are filtered by a common cap. This unit uses standard mini ATC automotive fuses; Surge and reverse polarity protection to 18 VDC; 25 Amp Main Fuse Rating; UL94 V-0 housing material. Size, 3 1/8" L x 1 1/2" W x 1 1/4" H