PART NAME PART No. NEMA 4X DIE-CAST ALUMINUM BOX w/MTG. BRKTS. REVISION DATE AN-2851 & AN-2851-B 11-15-11 MATERIAL: ALUMINUM ALLOY #ADC-12 2.283 58 1.364 34.7 FINISH: NATURAL (NO SUFFIX) SMOOTH BLACK (SUFFIX -B) .236 x .276 DEEP (4x) 6 7 1.181 30 A 1.240 31.5 2.325 59 .118 3 .276 x .591 DEEP (4x) 7 15 1.181 30 2.283 58 .177 4.5 1.811 46 B .110 2.8 .315 90° 8 DETAIL C SILICONE SPONGE GASKET 1.274 2.520 32.4 64 1.575 1.260 40 32 .374 9.5 .098 2.5 1.394 2.286 35.4 58.1 3.151 3.742 80 95 .669 17 A 2.049 52.1 .315 x 1.083 DEEP (2x) 8 27.5 .126 x .276 DEEP (2x) M4x0.7 THREAD (4) PLACES 3.2 7 ACCEPTS M3.5 x 6mm [.24"] LG. OR #6 x 1/4" LG. SECTION A-A SELF-TAPPING SCREW (NOT SUPPLIED) .083 2.1 .197 TYP. 5 C 1.394 35.4 2.047 2.520 52 64 .197 5 .197 x .098 DEEP (2x) B 5 2.5 .217 (4x) 5.5 COVER MOUNTING HOLES ACCEPT M5 OR #10 PAN HEAD SCREW (NOT SUPPLIED) SECTION B-B .177 (2x) 4.5 BODY 1.130 2.126 28.7 54 NOTES: 1.) FOUR (4) M4x0.7 x 20mm (.79") LG. CSK. HEAD STAINLESS STEEL SCREWS SUPPLIED FOR ASSEMBLY OF COVER TO BODY. 2.) ALL HOLE DIAMETERS HAVE .005[ .13] TOLERANCE ALL OTHER DIMENSIONS HAVE .015[ .38] TOLERANCE 3.) ALL OUTSIDE AND INSIDE DRAFT ANGLE: 1 .098 2.5 1.181 1.378 30 35 R.268 TYP. 6.8 1.575 1.260 40 32 .693 17.6 1.232 31.3 1.874 47.6 SUGGESTED PC BOARD LAYOUT .303 7.7