Support clamps, type 2AA
Support clamps, type 2AA provides fastening of two hollow aluminum, steel-aluminum or hollow copper conductor on the post insulators as a part of busbar insulation of outdoor switchgear at high voltage substations. During installation busbar type 2AA supports should be placed so that the busbar centerline goes through the two mount holes of a clamp. Support clamps, type 2AA meet the requirements of TU U 31.2-30255335-002:2006.
| Mark | Wire mark | Diameter of aluminum and steel-aluminum wires, mm | Dimensions, mm | Weight, kg | Breaking load,kN | |||
| Aп, АКП | АС, АСКС, АСКП, АСК | ПМ | H max. | r | ||||
| 2АА-4-3 | 185; 240; 300 | 185/24; 185/29; 205/27; 240/32; 240/39 | – | 17,5-22,1 | 68 | 11 | 0,80 | 4,9 |
| 2АА-5-3 | 350; 400; 450; 500 | 300/39; 300/48; 330/30; 330/43; 400/51; 400/64; 450/56; 500/27 | – | 24,0-29,4 | 73 | 14,5 | 0,82 | 4,9 |
| 2АА-6-3 | 550; 600; 650; 700; 750 | 500/26; 500/64; 550/71; 600/72; 650/79; 700/86 | 240, 300 | 30,0-36,2 | 78 | 18 | 0,83 | 4,9 |
