Electronic Supply by Industrial Electronics in Milwaukee Wisconsin : Potter Brumfield, Radio Shack Stores in Milwaukee: NEMA Boxes NEMA Boxes ================================================================================ synscon on 19/05/2016 07:17:00 These transparent Polycarbonate molded enclosures meet NEMA 1, 2, 4, 4X, 12, and 13 specifications and are ideal for PCB enclosures, test equipment and other applications in the electrical and electronic industries. Available in a variety of sizes, these plastic enclosures allow easy monitoring of displays, readouts and other devices. Design Features *Transparent blue polycarbonate design reduces the need to remove cover to verify NEMA protection. *Near complete transparency to blue, white, and near white displays. *Plastic enclosure designed to IEC52/IP65 and NEMA 1, 2, 4, 4x, 12, and 13 specifications. *UL Listed to UL508-4x specifications (file# E194432) *Lap joint design combined with silicon gasket ensures protection against ingress of dust and splashing water. *Internal guide slots for mounting PCB assemblies vertically on some models. *Internal bosses allow mounting of PCBs horizontally or for connection of terminals etc, into threaded brass inserts. *Cover screws are M-4 stainless steel, non-magnetic and fasten into threaded brass inserts. *UV stabilized polycarbonate with UL94-V2 flammability rating. TRANSPARENT BLUE NEMA 4X - BT Series Catalog Numbers External Dimensions Internal Dimensions Wgt. A B C D E F G H Ozs. BT-2723 4.53" 3.54" 2.17" 1.58" 4.16" 3.18" 1.93" 1.46" 5.5 BT-2724 6.73" 4.76" 2.17" 1.58" 6.37" 4.40" 1.93" 1.46" 10.0 BT-2725 8.74" 5.75" 2.17" 1.58" 8.37" 5.39" 1.93" 1.46" 15.5 BT-2727 6.73" 4.76" 3.15" 1.58" 6.37" 4.40" 2.92" 1.46" 13.0 BT-2734 7.87" 4.72" 2.95" 2.37" 7.61" 4.46" 2.68" 2.21" 14.4 BT-2740 9.45" 6.30" 3.54" 3.01" 9.17" 6.02" 3.26" 2.81" 22.0 BT-2742 11.81" 9.06" 3.39" 2.22" 11.57" 8.82" 3.11" 2.04" 31.0