HKE_389Stopping Plug
HKE_389Stopping Plug

389 | Ex e | Breather Drain



The Hawke 389 metallic breather drain is designed to prevent condensation and drain moisture from hazardous area enclosures. Dual Certified ATEX/IECEx (along with many more) for use in Increased Safety (Exe) and Dust (Ext) protection concepts. Also approved for use in Group I Mining Applications.

  • Metallic construction
  • Stainless Steel Internal Sinter
  • Certified Exe/Ext
  • M20 & M25 mounting thread options
  • Supplied with metallic castellated locknut for mounting to thin walled enclosures
  • Integral Nitrile or SIlicone O-Ring - Maintains IP66

Manufactured in Brass, Nickel Plated Brass, Stainless Steel – Grade 316L. O Ring manufactured from Silicone Rubber.

Product details



Hazardous Areas Zone 1, Zone 21, Zone 2, Zone 22 and Mining Applications

Ingress Protection

IP66 to IEC/EN 60529


Manufactured in Brass (Standard), Nickel Plated Brass or 316L Stainless Steel

Operating Temperature

  • -60°C to +80°C (with Nitrile O-Ring)
  • -60°C to +160°C (with Silicone O-Ring)


Fittings for Hazardous Areas

Certifications And Compliance


  • Ex II 2GD EX eb IIC Gb
  • Ex tb IIIC Db
  • Ex I M2 Ex eb I Mb
  • IEC/EN 60079-0
  • IEC/EN 60079-7
  • IEC/EN 60079-31
  • Baseefa 11ATEX0153X
  • BAS21UKEX0043X
  • BAS11.0075X
  • ABS: 1u-LD1653734-PDA
  • BV: 43523/A1
  • EAC: No EA3C RU C-GB.HA91.B00265/21
  • EQM: 20-11-27224/Q20-11-000979/NB0007
  • Inmetro: IEx 15.0292U
  • CSA C22.2 No 0-10
  • CSA/UL 60079-0
  • CSA/UL 60079-7
  • CSA/UL 60079-31
  • IEC 60529
  • NEC: Class 1 Zone 1 AEx eb IIC Gb; Zone 21 Aex tb IIIC Db
  • CEC: Ex eb IIC Gb; Ex tb IIIC Db
  • cCSAus Listing: 2700364

Hazardous Rating(s)

  • Ex II 2GD Ex eb IIC Gb
  • Ex tb IIIC Db
  • Ex I M2 Ex eb I Mb
  • Class 1 Zone 1 AEx eb IIC Gb
  • Zone 21 AEx tb IIIC Db

Industry Standard(s)

IEC/EN/CSA/UL 60079-0, 7, 31CSA C22.2 No 0-10