EIH and EIHT Explosionproof Instrument Enclosures

Certifications and compliances

NEC/CEC

• Class I, Division 1 & 2, Groups B†, C, D
• Class II, Division 1, Groups E, F, G
• Class II, Division 2, Groups F, G
• Class III
• NEMA/EEMAC: 3, 4, 4X*, 7B†CD, 9EFG
• UL standard: 1203
• CSA standard: C22.2 No. 30

IEC

• FM Classification No.: 3615
• ATEX certificate: KEMA 02 ATEX 2265U (requires ATEX suffix)*
• IEC standards: EN:60079-0, EN:60079-1, EN:60529

*EIH only.

†For Group B applications, seal within 1- 1/2″ of enclosure in accordance with Sections 501-5 of the National Electrical Code as well as any other applicable codes.

• 3/4″ offset through feed hubs offer maximum interior space and greater working area
• 2″ and 4″ deep covers, solid or with glass lens
• Internal mounting pads for instrument mounting
• Internal ground screw for safe, continuous grounding
• Neoprene gasket provides a watertight seal for NEMA/EEMAC 4 and UL/CSA Type 4 applications
• Wrenching lugs permit easy cover removal and tightening
• Internal cover threads provide additional space inside body
• External boss is suitable for drilling and tapping an additional conduit entry
• Two separate chambers for isolation of power supply and instrument (EIHT only)
• 3/4″ hub on instrument side (EIHT only)
• Third party certified for drilling enclosure wall between instrument and power side (EIHT only)

• Body and cover – copper-free aluminum with Corro-free epoxy powder coat (gray)
• Lens – heat tempered glass
• Gasket – neoprene