Killark - Killark KB1-4X KB Series - Aluminum Nema 4X Universal Drain & Breather - Thread Size1/2" NPT

The KB & KDB drain and breather are installed either the bottom top of an enclosure. When installed in the bottom they act as a gravity fed drain to expel moisture from condensation that can build up in electrical enclosures When installed in the top of an enclosure it acts a s a breather allowing air to enter and prevent a vacuum which can cause the drain not to flow properly. They are UL / cCSAus / FM certified for Class I Class I Zone 1 & 2 Class III, Type 4 & 4X. Also, ATEX, IEC Ex, Ex db IP66 with suffix .CEN.. Review each part for hazardous rating suitability and notified body. The KB & KDB are offered in aluminum, 300 series stainless steel and 316 stainless steel. Thread sizes 1/4.to 1/2. NPT and Metric sizes M16 & M20. Features: Suitable for Explosionproof and Dust-Ignitionproof environments.; Type 3, 4, 4X rating (NEMA).; Machined 1/2. NPT thread.; Copper-free aluminum.; Light Blue Anodized finish.; The drain/breather has a 1/2\" NPT thread size.