b urndy ehv h-9 notes: 1. dimensions in brackets [ ] are in millimeters. 2. conductor smaller than 3 inch bus size not recommended f or 550 kv. 3. does not include shielding caps. for ehv applications, shielding caps are required. order separately welded terminal connector swa-a-n w eld type application: bus to two or four hole p ad (offset terminal) ehv rated: up to 550 kv when used with shielding caps material: cast 356 aluminum alloy catalog numbers accommodates ? ips (sch40) ehps (sch80) dia. alum. tube fig. b g l t 1.25 1.72 5.88 .50 swa18a-2n swa58a-2n a [32] [44] [149] [13] 1.25 1.72 5.88 .50 swa18a-34n swa58a-34n 2 (2.375 dia.) b [32] [44] [149] [13] 1.25 1.72 6.95 .50 swa18a-44n swa58a-44n c [32] [44] [177] [13] 1.50 1.97 6.36 .56 swa19a-2n swa59a-2n a [38] [50] [162] [14] 1.50 1.97 6.36 .56 swa19a-34n swa59a-34n 2-1/2 (2.875 dia) b [38] [50] [162] [14] 1.50 1.97 7.40 .56 swa19a-44n swa59a-44n c [38] [50] [188] [14] 1.75 2.34 6.41 .62 swa20a-2n swa90a-2n a [44] [59] [163] [16] 1.75 2.34 6.41 .62 swa20a-34n swa90a-34n 3 (3.500 dia.) b [44] [59] [163] [16] 1.75 2.34 7.46 .62 swa20a-44n swa90a-44n c [44] [59] [189] [16] 1.75 2.59 6.40 .62 swa21a-34n swa91a-34n b [44] [66] [163] [16] 3-1/2 (4.000 dia.) 1.75 2.59 7.47 .62 swa21a-44n swa91a-44n c [44] [66] [190] [16] 2.00 2.84 7.51 .75 swa22a-44n swa92a-44n 4 (4.500 dia.) c [51] [72] [191] [19] 2.00 3.09 7.77 .75 swa23a-44n swa93a-44n 4-1/2 (5.000 dia.) c [51] [78] [197] [19] 2.00 3.38 6.80 .75 swa24a-34n swa94a-34n b [51] [86] [173] [19] 5 (5.563 dia.) 2.00 3.38 7.82 .75 swa24a-44n swa94-44n c [51] [86] [199] [19] 2.50 4.00 7.90 1.00 swa86a-44n swa96a-44n 6 (6.625 dia.) c [64] [102] [201] [25] (type sts) shown on page 32 or add suffix ?ts to catalog number (example: swa22a44nsts), includes one shielding cap. 4. one surface of pad finished. for finished pad on both sides add suffix ? to the catalog. number (example: swa22a-44nq). 5. for 45 or 90 degree angle add suffix ?5 or ?0 to catalog number (example: swa22a44n90). 6. for six hole nema pad contact factory.
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