| Application: | High-voltage, High-temperature |
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| Material: | Glass |
| Structure: | Suspension Insulator |
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Diameter: 255mm | Height: 140mm | Creepage distance:320mmU70B is a glass insulator used for high-voltage transmission lines
| Standard Profile | ||
| CATALOG N° | B13/140 | |
| MECHANICAL CHARACTERISTICS | ||
| Minimum mechanical failing load | kN | 125 |
| DIMENSIONS | ||
| Diameter (D) | mm | 255 |
| Spacing (S) | mm | 140 |
| Creepage distance | mm | 320 |
| Metal fitting size | 20 | |
| Locking device designation | W | |
| ELECTRICAL CHARACTERISTICS | ||
| Power frequency withstand voltage | ||
| - Dry one minute | kV | 70 |
| - Wet one minute | kV | 40 |
| Dry lightning impulse withstand volt. | kV | 100 |
| Puncture withstand voltage | kV | 130 |
| PACKING AND SHIPPING DATA | ||
| Approx. net weight | kg | 4.4 |
| Nº of insulators per crate | 6 | |
| Volume per crate | m³ | 0.05 |
| Gross weight per crate | kg | 30 |
| Nº of insulators per pallet | 96 | |
| Volume per pallet | m³ | 1.3 |
| Gross weight per pallet | kg | 499 |
| (1) in accordance with IEC 60120 & BS 3288 (2) in accordance with IEC 60383-1 & BS 60383-1 |
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Key Features of Glass Electric Insulators:
Superior Dielectric Strength: Glass provides excellent electrical insulation, minimizing the risk of current leakage and ensuring safety.
Durability: Resistant to weathering, UV radiation, and temperature fluctuations, glass insulators maintain their integrity over time.
Transparency: The clear nature of glass allows for straightforward visual inspections, facilitating maintenance and early detection of potential issues.
Advantages Over Other Materials:
Self-Cleaning Properties: The smooth surface of glass reduces the accumulation of dirt and pollutants, decreasing maintenance requirements.
Mechanical Strength: Engineered to withstand mechanical stresses, glass insulators are suitable for various environmental conditions.
Environmental Impact: Glass is recyclable, making it an eco-friendly choice for sustainable infrastructure projects.
Jiangxi QOCI Electric Co.,Ltd.has been specialized in research and development of latest high-strength functional glass and power transmission insulators,which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China,and is a participating unit of product standard formulation of the National Insulator Standard Committee.The main products type are :standard-type insulator,antipollution-type insulator,aerodynamic type insulator,multi-umbrella type insulator,ground-wires type insulator,post insulator for line,pin insulator.Products are mainly used for transmission line insulation, suspension, support, tension conductors.Our products are divided into 5 major series: the standard type 40-550kN,filth-resistant type 70-420kN,aerodynamic type 120-300kN,multi-umbrella type 120-300kN,and ground circuit type,able to be used for line voltage from 10kV~1000kV.Why choose us?
1.Source factory, self-produced and self sold, low price.
2.More than ten years of operation, quality assurance.
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