Appleton Electric Explosionproof Pin and Sleeve Receptacle with Circuit Breaker EBR3023EH50

9.06 INCH W X 13.95 INCH D X 17.3 INCH H SIZE (1) 3/4 INCH, (1) 1 1/2 INCH (TOP) (1) 3/4 INCH, (2) 1 1/2 INCH (BOTTOM) HUB SIZE COPPER FREE ALUMINUM ENCLOSURE MATERIAL 5 HUB(S) CLASS I DIV 1 AND 2 GROUP C D, CLASS II DIV 1 AND 2 GROUP F G, CLASS III, NEMA 3/3R/7C/7D/9F/9G ENCLOSURE EXPLOSION PROOF, DUST IGNITION PROOF BAKED EPOXY CLAD ENCLOSURE FINISH (2) TOP, (3) BOTTOM HUB LOCATION EHD BREAKER TYPE EXTRA POLE, SHELL GROUNDING STYLE 2 BREAKER POLE(S) 480 VAC BREAKER VOLTAGE RATING 50 AMPERE BREAKER CURRENT RATING ACP3023BC, CPH3023B MATING PLUG 30 AMPERE RECEPTACLE CURRENT RATING 3 POLE 2 WIRE RECEPTACLE CONFIGURATION APPLETON[R] BRAND EBR MODEL