Namibia Double Umbrella Disc Suspension Tempered Glass Insulator
As an important part of the power transmission system, the stability and reliability of its performance are directly related to the safe operation of the power grid.
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Product Description
Main technical parameters of double umbrella-disc suspension tempered glass insulator (GB and IEC)
| Insulator type | Nominal diameter D (mm) | Structure height H(mm) | Nominal creepage distance L (mm) | Connection mark (mm) | Rated mechanical damage Load (kN) | Tensile load test one by one (kN) | Power frequency dry withstand voltage (kV) | Power frequency wet withstand voltage (kV) | Lightning impulse withstand voltage (kV) | Impulse overvoltage breakdown withstand voltage (p.u.) | Minimum work Frequency breakdown withstand voltage (kV) | Radio Interference 10kV 1MHz (μV) | Visible corona foot/cap (kV) | Power frequency arc test | Single piece weight of insulator (kg) |
| RaiaiType | Diameter D (Mm) | Spacing H (Mm) | Creepage Distance (Mm) | Sizeof Coupling (Mm) | Mechanical FailingLoad (kN) | Mechanical RoutineTest (kN) | PowerFrequency WithstandVoltage (kV) | Anodic DC WetWithstand Voltage (KV) | LightingImpulse WithstandVoltage (kV) | Impulse Withstanc Voltage (p.u.) | MinPowerFrequency PunctureVoltage (kV) | RadioInterference Voltage (10kV,1MHz) (μ V) | Corona Test (pin &cap) (KV) | Power Frequency Electric Arc Test | NetWeight PerUnit (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 | 300 | 195 | 450 | 24 | 300 | 150 | 85 | 50 | 130 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 13.0 |