501 423 Full
501 423 Full
501 423 Cutaway

501/423 | Ex d & Ex e | Cable Gland



The Hawke 501/423 is a Group II certified double seal cable gland suitable for installation in Zone 1/21 and Zone 2/22 hazardous areas. Dual Certified ATEX/IECEx (along with many more) for use in Increased Safety (Exe), Flameproof (Exd), Restricted Breathing (ExnR) and Dust (Ext) protection concepts. For use with non-armoured elastomer and plastic insulated cables. This cable gland may be used with braided cables where the braid and outer sheath pass into the enclosure, and the requirements of 60079-14 are met.

  • Metallic body construction
  • Double elastomeric compression Exd seal on cable outer sheath
  • Two seals provide superior cable retention over standard unarmoured cable glands
  • Rounded cable entry to prevent cable damage
  • Available with metric or NPT entry threadforms

Download the Hawke Technical Guide for more information on installation rules and regulations.Visit www.universalreloaded.com to download a full version of the catalogue.
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Product details



Hazardous Areas Zone 1, Zone 21, Zone 2, Zone 22

Ingress Protection

  • IP66, IP67 and IP68 (30 metres for 7 days, special instructions apply) to IEC/EN 60529
  • NEMA 4X
  • Deluge Protection to DTS01


Manufactured in Brass, Nickel Plated Brass or 316L Stainless Steel

Operating Temperature

-60°C to +100 °C


Cable Glands for Group II Hazardous Areas

Certifications And Compliance

ATEX File Number

CML 19.0045X


  • ATEX: CML 19ATEX1167X / CML 19ATEX4507X (Ex nR)
  • CCC: 2020312313000315
  • cCSAus: 1015065
  • DNV: TAE0000BS
  • EAC: No EA3C RU C-GB.HA91.B.00264/21
  • EQM: 20-11-27224/Q20-11-000979/NB0007
  • IECEx: CML 19.0045X / CML 21.0012X (Ex nR)
  • Inmetro: IEx 14.0272X
  • KCs: KTL 17-KA4BO-0120X to 0128X
  • PESO: P450038
  • SONCAP: LCOGB049552-0500
  • UKEx: CML 21UKEX1161X / CML 21UKEX4133X (Ex nR)

CSA File Number


Hazardous Rating(s)

  • Ex II 2GD Ex db eb IIC Gb
  • Ex nR IIC Gc
  • Ex tb IIIC Db
  • Class I, Zone I, AEx eb IIC Gb
  • Zone 21, AEx tb IIIC Db
  • Class I, Div.2 Groups ABCD
  • Class II Div.2, Groups EFG
  • Class III

Industry Standard(s)

  • IEC/EN 62444 (Anchorage Type B)
  • IEC/EN 60079-0, 1, 7, 15, 31
  • CSA 60079-0, 1, 7, 31
  • UL 60079-0, 7, 31
  • UL514B
  • UL1203
  • UL2225


IK10 to IEC 62262