Hubbell Electrical Products Explosionproof Instrument Enclosure 4GRH

13 INCH H SIZE 4 INCH HUB SIZE UL 886, UL 1203, CSA C22.2, FM APPROVAL CLASS I DIV 1 AND 2 GROUP B C D, CLASS I ZONE 1 AND 2 GROUP IIA IIB+H2, CLASS II DIV 1AND 2 GROUP E F G, CLASS III DIV 1 AND 2, NEMA 3/4/4X/7B/7C/7D/9E/9 F/9G ENCLOSURE DOME COVER TYPE COPPER FREE ALUMINUM BODY MATERIAL CORROSION RESISTANT, DUST IGNITION PROOF, EXPLOSION PROOF ELECTROSTATICALLY APPLIED GRAY EPOXY/POLYESTER POWDER COATED BODY FINISH KILLARK[R] BRAND GR MODEL