The Bud Industries ANS-3803 die cast aluminum NEMA box (natural aluminum finish) is unique in that the electronic equipment enclosure is NEMA and IP rated and provides EMI / RFI protection. This wall mounted enclosure box is ideal for instrumentation, meters, junction boxes, industrial applications, and other senstive electronic applications requiring EMI / RFI protection.brbrThe watertight ANS-3803 NEMA enclosure is constructed from a rugged die-cast aluminum alloy with a thick wall construction for improved strength and rigidity in heavy-duty applications. Outside dimensions of this electrical enclosure box are 3.79 x 3.79 x 2.64 inches and interior dimensions are 2.83 x 2.64 x 2.40 inches.brbrThe Bud Industries ANS-3803 die cast aluminum NEMA box features a double gasket system; one with silicone for NEMA and IP ratings and one wire-mesh with sponge rubber gasket to provide EMI / RFI protection. External mounting brackets sold separately.