HV glass suspension insulator ANSI class 52-3/52-3-H
| Class ANSI 1 | 52-3/52-3-H |
| Spacing (H) inch (mm) | 5-3/4 (146) |
| Diameter (D) inch (mm) | 10 (255) |
| Connecting hardware coupling2 | B&S type B |
| Leakage distance inch (mm) | 12 5/8 (320) |
| Combined mechanical & electrical strength, lb (kN) | 15700 (70)/20000 (89) |
| Mechanical impact strength, lb x inch (N·m) | 400(45) |
| Residual strength, lb (kN) | 9400(42) |
| Tension proof, lb (kN) | 7800(35) |
| Low-frequency dry flashover, kV2 | 80 |
| Low-frequency wet flashover, kV2 | 50 |
| Critical impulse flashover, positive, kV2 | 125 |
| Critical impulse flashover, negative, kV2 | 130 |
| Puncture voltage, kV2 | 130 |
| R.I.V. test voltage, rms to ground, kV 2 Maximum RIV at 1000 kHz, μV | 10/50 |
| Weight, lb (kg) | 8,82 (4,0) |
