Safety
Global certifications available
Reliability
Serrations assure positive electrical ground
Durability
ATEX hub now rated -55°C to 180°C

Certifications and compliances

NEC/CEC

  • Class I, Division 2
  • Class II, Divisions 1 & 2
  • Class III, Divisions 1 & 2
  • Class I, Zone 1, AEx e II
  • Class I, Zone 1, Ex e II
  • cULus Listed 
  • UL standard: 514B
  • CSA standard C22.2 No. 18
  • NEMA Type 2, 3, 3R, 4, 4X, 12 (std. hub and ground hub)

IEC

STGK:

  • ATEX Certified ITS12ATEX47591X Ex II 2G Ex e IIC Gb to EN 60079-0:2009, EN 60079-7:2007, and EN 60079-14 Standards Ta -15°C to 120°C
  • IECEx Certified IECEx ETL 12.0009X Ex e IIC Gb to IEC 60079-0:2007-10, Edition 5, IEC 60079-7:2006-07, Edition 4 and IEC 60079-14 Standards Ta -15°C to 120°C
  • IP66

SSTGK:

  • ATEX Certified DEMKO 18 ATEX 2002X, Ex II 2G Ex eb IIC Gb to EN IEC 60079-0:2018 and EN IEC 60079-7:2015 +A1:2018 standards Ta -55°C to 180°C
  • IECEx Certified IECEx UL 18.0007X, Ex eb IIC Gb to IEC 60079-0:2017 and IEC 60079-7:2017 standards Ta -55°c to 180°C
  • IP66

Design features

  • Wide range of styles, trade sizes and materials to meet customer requirements and preferences
  • Multiple certifications provide users peace of mind
  • Easy installation and smooth pulling service for labor savings
  • Tapered female threads for rigid/IMC conduit, NPSM male threads
  • Nut with grounding screw available for added safety
  • Strong, oversize nut with radial serrations is resistant to vibration, assuring flush installation and positive grounding
  • Unique serrations on both nut and hub bite into metal, assuring a positive electrical ground (UL approved for use with service entrance conduit)
  • Posi-lok insulated throat cannot come out and is standard in sizes from 1/2” through 4”
  • Captive o-ring gasket is impervious to corrosive moisture and petroleum products; gasket assures positive water and dusttight installations
  • ATEX hub available – listed for use in hazardous (classified) locations to IECEx/ATEX certifications and features an operating temperature range of -55°C to 180°C; ideal for global requirements and OEMs shipping material worldwide

Standard materials

  • Hub body and nut – available in zinc (Zamek-2, Zamek-3), aluminum (Al 360), or 316 stainless steel
  • Insuliner – Lexan, PEEK GF15 (SSTGK only)
  • O-ring gasket – Viton, silicone (SSTGK only)
  • Ground screw – steel/stainless steel

Drawings and design support

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