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EJB Series Explosionproof Enclosures - Junction Boxes
EJB Series Explosionproof Enclosures Junction Boxes

Crouse- Hinds EJB Series Explosionproof Enclosures Junction Boxes are used in threaded rigid conduit systems in hazardous areas:

  • As a junction or pull box
  • To provide enclosures for splices and branch circuit taps
  • For housing terminal blocks, relays and other electrical devices
  • Indoors or outdoors in damp, wet, dusty, corrosive, hazardous locations
  •  Where exposure to frequent or heavy rain, water, spray, moisture, and humidity is common, such as: offshore drilling facilities, cooling towers, coal preparation and handling facilities and sewage and waste water treatment plant
  • In areas which are hazardous due to the presence of hydrogen or gases and vapors of equivalent hazard such as found in process industries, missile bases and gas manufacturing plants

EJB Series Explosionproof Enclosures Junction Boxes Features include:

  • Style C boxes provided with aluminum plate cover as standard, allowing for field addition of cover device holes
  • Stainless steel cover bolts (Style C only)
  • Ground joint cover opening provides maximum opening for pulling wires or mounting equipment
  • Walls of bodies may be drilled and tapped for conduit entries as shown in listings
  • Stud bolts in diagonally opposite corners of body aid in aligning cover to body during installation (not furnished with hinged covers)
  • All Style C bodies are provided with captive, triple lead, quick release hex head stainless steel bolts with spring loaded action which provides clear indication that cover bolts are fully retracted from the body
  • External flange design – wide unobstructed cover opening provides a completely accessible interior for wiring and electrical equipment
  • Square corners of enclosure body provide maximum interior space and area for conduit openings
  • Internal grounding lug provides a means to ground enclosed equipment
  • Special neoprene cover gasket provides a watertight seal to meet NEMA 4 requirements, and provides superior protection for enclosed equipment against water/corrosion
  • IEC rated when ordered with ATEX suffix
  • Enclosures are machined for field installed mounting plates
  • Detachable mounting feet provide mounting flexibility. No need to replace enclosure if mounting feet are broken.
  • Optional stainless steel hinges provide convenient and easy access for inspection, maintenance and systems changes
  • Enclosures are machined to accept field installed hinges

EJB Series Explosionproof Enclosures Junction Boxes Certifications and Compliances:

  • NEC/CEC
    • Class I, Divisions 1 and 2, Groups B*, C† and D‡
    • Class II, Division 1, Groups E, F and G
    • Class II, Division 2, Groups F and G
    • Class III
    • Class I, Zones 1 and 2
  • UL Standard 1203
  • cUL to CSA Standard C22.2 No. 30
  • ATEX: Ex d IIB + H2 T6, IP66 ATEX certificate: PTB 01 ATEX 1020 U
  • Enclosure Type 3, 3R, 4, 4X*, 7BCD, 9EFG
  • IEC Standard EN:60079-0 and EN:60079-1

Junction Box Standard Materials:

  • Body and cover – copper-free aluminum (suffix -SA items and all Style C), Feraloy® iron alloy (Style D)
  • Gasket – neoprene
  • Cover bolts – stainless steel (Style C), steel (Style D)
  • Hinges – stainless steel

Junction Box Standard Finishes:

  • Copper-free aluminum – natural
  • Feraloy iron alloy – electrogalvanized and aluminum acrylic paint
  • Steel – electrogalvanized
  • Extruded aluminum – natural

Download the Crouse- Hinds EJB Series Explosionproof Enclosures Junction Boxes spec sheet below or call 714.835.6211 for more information.