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By Killark 

Catalog ID: 4GRB

By Killark
Catalog ID:  4GRB
GR Series, 3.75 x 3.75 x 9", Class I, II, III, BCDEFG, Cast Aluminum, Type 4, 4" Dome Screw Cover Enclosure
  • Compact rectangular enclosures with threaded screw covers provide easy access to interior.
  • High strength, lighter weight, corrosion resistant copper free cast aluminum construction.
  • Available with a flat blank or dome covers.
  • Cover o-ring, Nitrile (BUNA-N) material, supplied standard supplied standard for a Type 4X rating.
  • Cast mounting lugs are standard on all boxes.
  • Internal ground screw supplied on all boxes.
  • Electrostatically applied gray powder epoxy/polyester finish on exterior of box and cover.
  • Mounting pans are available.
  • Conduit and device openings factory or field installed.

Compact square or rectangular enclosures with threaded screw type covers provide easy access to interior. Can be shipped in component parts and still maintain third party UL-CSA-FM approvals. Enclosure has dome cover. Cast mounting lugs are standard on al

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Application Hazardous locations due to the presence of flammable gases or vapors, combustile dusts or easily ignitable fibers or flyings, and areas which are subject to corrosion, weather, and dampness. Installations at petroleum refineries, chemical and petrochemica
Color Gray
Cover Type Threaded
EU RoHS Indicator Contact Manufacturer
Material Copper-free aluminum
Series GR Enclosures
Type Enclosure & Dome Cover
UPC 783936230245


Gross Weight with Packaging 7.4

Certifications and Compliance

ATEX File Number PTB 02 ATEX 1071U / PTB 02 ATEX 1072
CSA File Number LR11716
Hazardous Rating(s)
  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zones 1 & 2, Groups IIB+H2, IIA
  • Class II, Divisions 1 & 2, Groups E, F, G
  • Class III, Divisions 1 & 2
IECEx File Number IEC E x 05.0029U / IEC E x 05.0028
Nema Rating 3, 4, 4X
UL File Number E10514 / E83696