Branch clamps, type OA
Branch clamps, type OA type are used for jumper loops connection to the equipment during busbar insulation of the outdoor switchyard.
Branch clamps, type OA are intended for a live tapping of aluminum and steel-aluminum conductors from OTL. Contact surfaces of the clamp pads are copper-plated (by plasma flame spraying). Branch clamps, type OA type meet the requirements of TU U 31.2-30255335-002:2006.
| Mark | Diameter of a wire, mm | d, мм | Dimensions, mm | Compression matrix | Weight, kg | ||||||
| D | L1 | L | H | A | S | ||||||
| min | max | ||||||||||
| ОА-10-1 | 4,5 | 5 | 5,25 | 10 | 60 | 95 | – | – | – | МШ-2А-7,8 | 0,022 |
| ОА-16-1 | 5,1-5,6 | 5,8 | 6,5 | 12 | 60 | 97 | – | – | – | МШ-2А-9,5 | 0,036 |
| ОА-25-1 | 6,4-6,9 | 7,75 | 8 | 14 | 60 | 99 | – | – | – | МШ-2А-11,3 | 0,046 |
| ОА-35-1 | 7,5-8,4 | 8,8 | 9,5 | 16 | 60 | 101 | – | – | – | МШ-2А-13,0 | 0,06 |
| ОА-50-1 | 9,0-9,6 | 10,8 | 11,5 | 18 | 60 | 103 | – | – | – | МШ-2А-14,3 | 0,068 |
| ОА-70-1 | 10,7-12,3 | 12,35 | 13,5 | 20 | 70 | 115 | – | – | – | МШ-2А-16,5 | 0,086 |
| ОА-95-1 | 13,5-14,0 | 14,8 | 15,5 | 22 | 70 | 117 | – | – | – | МШ-2А-18,2 | 0,096 |
| ОА-120-1 | 15,4-15,8 | 16,3 | 17 | 25 | 80 | 130 | – | – | – | МШ-2А-20,8 | 0,176 |
| ОА-150-1 | 16,8-17,5 | 17,8 | 18,5 | 28 | 80 | 133 | – | – | – | МШ-23,4 | 0,186 |
| ОА-185-1 | 18,8-20,0 | 20,3 | 22,2 | 32 | 90 | 152 | – | – | – | МШ-26,0 | 0,256 |
| ОА-240-1 | 21,6-22,4 | 23,3 | 24 | 36 | 100 | 166 | – | – | – | МШ-30,3 | 0,39 |
| ОА-300-1 | 24,0-25,6 | 26,5 | 27,5 | 47 | 100 | 192 | – | – | – | А-40,5 | 0,84 |
| ОА-400-1 | 27,3-30,6 | 30,7 | 31,7 | 52 | 120 | 217 | – | – | – | А-45 | 1,21 |
| ОА-600-1 | 31,5-33,2 | 34 | 35 | 58 | 140 | 253 | – | – | – | А-51 | 1,9 |
| ОА-50-2 | 9,0-9,6 | 10,8 | 11,5 | 18 | 60 | 105 | 125 | 40 | 6 | С-17 | 0,346 |
| ОА-70-2 | 10,7-12,3 | 12,35 | 13,5 | 20 | 70 | 117 | 127 | 40 | 7 | С-19 | 0,393 |
| ОА-95-2 | 13,5-14,0 | 14,8 | 15,5 | 22 | 70 | 120 | 130 | 40 | 8 | С-21 | 0,401 |
| ОА-120-2 | 15,4-15,8 | 16,3 | 17 | 25 | 80 | 133 | 150 | 40 | 9 | С-23 | 0,458 |
| ОА-150-2 | 16,8-17,5 | 17,8 | 18,5 | 28 | 80 | 135 | 155 | 40 | 11 | А-26 | 0,501 |
| ОА-185-2 | 18,8-20,0 | 20,3 | 22,2 | 32 | 90 | 154 | 170 | 40 | 11 | А-28 | 0,581 |
| ОА-240-2 | 21,6-22,4 | 23,3 | 24 | 36 | 100 | 165 | 175 | 60 | 11 | С-31.5 | 0,711 |
| ОА-300-2 | 24,0-25,6 | 26,5 | 27,5 | 47 | 100 | 184,5 | 195 | 60 | 13 | А-40,5 | 1,262 |
| ОА-400-2 | 27,3-30,6 | 30,7 | 31,7 | 52 | 120 | 209 | 205 | 60 | 13 | А-45 | 1,54 |
| ОА-600-2 | 31,5-33,2 | 34 | 35 | 58 | 140 | 245 | 225 | 60 | 15 | А-51 | 2,584 |
