Double umbrella type: Main technical parameters (GB & IEC) of double-umbrella disk suspension-type glass insulator
Type | Diameter D (mm) | Spacing H (mm) | Creepage Distance L (mm) | Mechanical Failing Load (kN) | Size of Coupling (mm) | Mechanical Routine Test（kN） | Power Frequency withstand Voltage (Dry) (kV) | Power Frequency withstand Voltage(Wet)（kV） | Lighting Impulse Withstand Voltage (kV) | Implulse Withstand Voltage (p.u.) | Min Power Frequency Puncture Voltage（kV） | Radio Interference Voltage 10KV,1MHz (μV) | Corona Test (pin ∩) (kV) | Power Frequency Electric Arc Test | Net Weight Per Unit(kg) |
UG70B146/450D 16R | 280 | 146 | 450 | 16 | 70 | 35 | 80 | 45 | 120 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 6.3 |
UG100B146/450D 16R | 280 | 146 | 450 | 16 | 100 | 50 | 80 | 45 | 120 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 6.3 |
UG120B146/450D 16R | 280 | 146 | 450 | 16 | 120 | 60 | 80 | 45 | 120 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 6.3 |
UG160B170/450D 20R | 300 | 170 | 450 | 20 | 160 | 80 | 85 | 45 | 130 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 8.4 |
UG210B170/450D 20R | 300 | 170 | 450 | 20 | 210 | 105 | 85 | 45 | 130 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 9.0 |
UG300B195/480D 24R | 330 | 195 | 480 | 24 | 300 | 150 | 85 | 50 | 130 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 13.0 |
