This enclosure system protects electronics from potentially damaging elements commonly found in outdoor applications and extreme indoor environments. The two-piece, sealed environmental case system (ECS) creates IP66, IP67 and NEMA 6 ratings with a latch or screw-locking method. It is available with IP67-rated connections for solar, plastic circular, RJ45, M12 or just cable glands. The enclosure has integrated connection options with one or two M12 inserts, as well as an option for a cable gland. Alternatively, a blank faceplate can be modified to accommodate any sealed connector that fits within the housing profile. The polycarbonate enclosure withstands rapid temperature swings, UV exposure and extreme temperatures of -40 to 85 °C.