| cat.no | A1074 | A1072 | A1073 | A1074 | A1075 |
| class ANSI | 55-1 | 55-2 | 55-3 | 55-4 | 55-5 |
| creepage distance(mm) | 102 | 127 | 178 | 229 | 305 |
| dry arcing distance(mm) | 57 | 86 | 114 | 127 | 159 |
| Cantileven strength(kn) | 13 | 11 | 11 | 13 | 13 |
| low frequency dry flashover voltage(kv) | 35 | 45 | 56 | 65 | 80 |
| low frequency wet flashovervoltage(kv) | 20 | 25 | 30 | 35 | 45 |
| critival impulse flashover,positive(kv) | 50 | 70 | 90 | 105 | 130 |
| critival impulse flashover,negative(kv) | 70 | 85 | 110 | 130 | 150 |
| Power-frequency puncture voltage(kv) | 50 | 70 | 90 | 95 | 115 |
| test voltage to guound(kv) | 5 | 5 | 10 | 10 | 15 |
| maximum riv at 1000khz(μv) | 50 | 50 | 50 | 50 | 100 |
| net weight each APPROX(kg) | 0.5 | 0.65 | 1 | 1.55 | 2.75 |
| number in standard package | 60 | 40 | 30 | 16 | 12 |
