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by Killark 

Catalog ID: KBQAS60050

KBQA Series - 316SS Type 4X IP66 Drain & Breather - 1/2 Inch NPT Thread-Class 1 Div.1 & Ex d.

  • Suitable for Explosionproof and Dust-Ignitionproof environments
  • 316 Stainless Steel
  • Natural Finish

The KBQA Quad Approved drain breather are installed either the bottom or the 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 or side wall of an enclosure it acts as a breather allowing air to enter and prevent a vacuum which can cause the drain not to flow properly. They are cCSAus certified for Class I Div. 1, Class I Zone 1 & 2 Class II, Type 4 & 4X. Also, ATEX, IEC Ex, Ex db IP66 as standard. The KBQA is offered in aluminum and 316 stainless steel. Thread size 1/2” NPT.

Product Details


Color Silver
EU RoHS Indicator Contact Manufacturer
Material Stainless Steel, Type 316
Series KBQA
Type Drain
UPC 783936172958


Hub Size 1/2"
Length 2.25 in
Weight 0.25 lb

Certifications and Compliance

ATEX File Number 10ATEX1351U
CSA File Number LR11716
Hazardous Rating(s)
  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class II, Divisions 1 & 2, Groups E, F, G
  • Class III, Divisions 1 & 2
  • Class I, Zones 1 & 2, Groups IIB+H2, IIA
  • Ex db IIB+H2 Gb
  • Ex tb IIIC Db
IECEx File Number 10.0007U
IP Rating IP66
Nema Rating 4, 4X


Carton Quantity 10