The Model 7080 Series Junction Box is designed to accommodate circuit boards and devices having a maximum diameter of 2.6"(66mm). Specifically designed for explosion proof applications, the housing is available in either a die-cast Copper-Free Aluminum (NEMA 4X) version or investment casted SS316 to withstand applications where aggressive atmospheres prevail. The housing can be ordered with either a tempered glass cover or solid cover. There is a wide choice of conduit and instrument entries. Comes complete with terminal block.