Description
| ANSI CLASS | 52-1 | 52-2 | 52-3 | 52-4 | 52-5 | 52-9A/B | |
| Porcelain Shell Diameter, D. mm | 165 | 190 | 254 | 254 | 254 | 108 | |
| Unit Spacing, H. mm | 140 | 146 | 146 | 146 | 146 | 159 | |
| Leakage Distance, mm | 178 | 210 | 292 | 292 | 292 | 171 | |
| Combined M & E Strength, kN | 44 | 70 | 70 | 70 | 111 | 44 | |
| Impact Strength, N-m | 5 | 5 | 6 | 6 | 7 | 5 | |
| Tension Proof Load, kN | 22 | 33.5 | 33.5 | 33.5 | 55.5 | 22 | |
| Low-Frequency Flashover Voltage | Dry, kV | 60 | 65 | 80 | 80 | 80 | 60 |
| Wet, kV | 30 | 35 | 50 | 50 | 50 | 30 | |
| Critical Impulse Flashover Voltage | Pos., kV | 100 | 115 | 125 | 125 | 125 | 100 |
| Neg., kV | 100 | 115 | 130 | 130 | 130 | 90 | |
| Lower- Frequency Puncture Voltage, kV | 80 | 90 | 110 | 110 | 110 | 80 | |
| Radio Influence Voltage Data | Test Voltage to Ground, kV | 7.5 | 7.5 | 10 | 10 | 10 | 7.5 |
| Max. RIV at 1000 KHz, uV | 50 | 50 | 50 | 50 | 50 | 50 | |
| Net Weight,Each, Approx., kg | 2.5 | 3.8 | 4.6 | 4.9 | 5.6 | 2.6 | |
Each suspension shell undergoes rigorous electrical testing before and after assembly before being shipped.
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