Eaton Crouse-Hinds CTB404020 SS316 Junction Box

Overview The Eaton Crouse-Hinds CTB404020 is an explosion-proof stainless steel (SS316L) junction box designed for use in hazardous areas where flammable gases, vapors, and combustible dust may be present. Built to international ATEX and IECEx standards, this junction box delivers outstanding corrosion resistance, structural integrity, and long service life in the most demanding industrial environments including oil & gas, petrochemical, marine, offshore, and chemical processing. Featuring a robust 316L stainless steel body with a gasketed lid and stainless steel fasteners, the CTB404020 provides excellent protection against dust ingress and water jets (IP66). The lid is secured by a captive bolt locking system and includes an earth bonding point for safe grounding. Inside, the enclosure accommodates a mounting plate for terminal blocks and DIN rails, making it ideal for field junction, marshalling, and control applications. Key Features Explosion-proof (Ex eb) and dust-ignition proof (Ex tb) certified 316L Stainless Steel construction for superior corrosion resistance IP66 ingress protection rating ATEX and IECEx dual certified Hinged lid with captive bolt locking mechanism Internal mounting plate (DIN rail ready) Earth bonding stud included Wide ambient temperature range: -60°C to +40°C Suitable for Zone 1, Zone 2 (Gas) and Zone 21, Zone 22 (Dust) hazardous areas