b urndy ehv 1-800-346-4175 13 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 (type sts) shown on page 32 or add suffix ?ts to catalog number (example: swa22a44n90sts), includes one shielding cap. 4. one surface of pad finished. for finished pad on both sides add suffix ? to the catalog number (example: swa22a-4490nq). 5. for six hole nema pad contact factory. welded 90 degree terminal connector swa-a-n90 w eld type application: bus to two or four hole p ad (90 degree te r m i nal) ehv rated: up to 550 kv when used with shielding caps material: cast 356 aluminum alloy catalog number accommodates fig. p ips (sch 40) ehps (sch 80) alum. tube no. b sch40 sch80 t x 1.25 1.16 1.21 .50 4.77 swa18a-2n90 swa58a-2n90 1a [32] [29] [31] [13] [121] 2 1.25 1.16 1.21 .50 4.77 swa18a-34n90 swa58a-34n90 (2.375) 1 [32] [29] [31] [13] [121] 1.25 1.16 1.21 .50 4.77 swa18a-44n90 swa58a-44n90 1b [32] [29] [31] [13] [121] 1.50 1.23 1.27 .56 5.06 swa19a-2n90 swa59a-2n90 1a [38] [31] [32] [14] [129] 2-1/2 1.50 1.23 1.27 .56 5.06 swa19a-34n90 swa59a-34n90 (2.875) 1 [38] [31] [32] [14] [129] 1.50 1.23 1.27 .56 5.06 swa19a-44n90 swa59a-44n90 1b [38] [31] [32] [14] [129] 1.75 1.22 1.33 .62 5.33 swa20a-2n90 swa90a-2n90 1a [44] [31] [34] [16] [135] 3 1.75 1.22 1.33 .62 5.33 swa20a-34n90 swa90a-34n90 (3.500) 1 [44] [31] [34] [16] [135] 1.75 1.22 1.33 .62 5.33 swa20a-44n90 swa90a-44n90 1b [44] [31] [34] [16] [135] 1.75 1.22 1.36 .62 5.58 swa21a-34n90 swa91a-34n90 3-1/2 1 [44] [31] [35] [16] [142] (4.000) 1.75 1.22 1.36 .62 5.58 swa21a-44n90 swa91a-44n90 1b [44] [31] [35] [16] [142] 4 2.00 1.25 1.36 .75 6.88 swa22a-44n90 swa92a-34n90 (4.500) 1b [51] [32] [35] [19] [175] 4-1/2 2.00 1.25 1.36 .75 7.07 swa23a-44n90 swa93a-44n90 (5.000) 1b [51] [32] [35] [19] [180] 5 2.00 1.25 1.41 .75 7.38 swa24a-44n90 swa94a-44n90 (5.563) 1b [51] [32] [36] [19] [187] 6 2.50 1.35 1.52 1.00 7.92 swa86a-44n90 swa96a-44n90 (6.625) 1b [64] [34] [39] [25] [202] 2.00 [ 51 ] 3.25 [ 83 ] 1.75 [ 44 ] .62 [ 16 ] .56 [ 14 ] 1.12 [ 28 ] 1.75 [ 44 ] 4.25 [ 108 ] 4.00 [ 102 ] 1.75 [ 44 ] .56 [ 14 ] 1.75 [ 44 ] .62 [16 ] 3.25 [ 83 ] x t p welded by customer 1.75 [ 44 ] 3.00 [ 76 ] .56 [ 14 ] fig. 1 fig. 1a fig. 1b finished surface b
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