{"id":7634,"date":"2025-10-28T03:17:06","date_gmt":"2025-10-28T03:17:06","guid":{"rendered":"https:\/\/www.raxpower.com\/?page_id=7634"},"modified":"2026-08-12T04:23:10","modified_gmt":"2026-08-12T04:23:10","slug":"%d8%b9%d8%a7%d8%b2%d9%84-%d8%aa%d8%b9%d9%84%d9%8a%d9%82-%d8%b2%d8%ac%d8%a7%d8%ac%d9%8a","status":"publish","type":"page","link":"https:\/\/www.raxpower.com\/ar\/overhead-line-insulator\/glass-suspension-insulator\/","title":{"rendered":"\u0639\u0627\u0632\u0644 \u062a\u0639\u0644\u064a\u0642 \u0632\u062c\u0627\u062c\u064a"},"content":{"rendered":"
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Glass Suspension Insulator<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>
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Glass suspension insulators provide electrical insulation and mechanical support for conductors in overhead power transmission and distribution systems. They isolate and fix wires to transmission towers and substations in high voltage applications, ensuring safe electricity flow.<\/p>\n

Each unit combines a toughened glass disc with metal fittings\u2014a cap and pin made from galvanized steel or ductile iron\u2014secured by cement bonding. The glass disc features sheds and ribs that enhance surface leakage paths. Available profiles include standard configurations with low-height ribs and fog-type designs with extended, widely-spaced under-ribs to prevent arc bridging in polluted conditions. Hydrophobic coatings may be applied to repel water and reduce contamination.<\/p>\n

The toughened glass construction enables visual failure detection, as damage causes the glass to shatter, allowing easy identification without specialized testing. Mechanical strength varies across models, with minimum failing loads from 40 kN to 550 kN. Electrical properties include dry lightning impulse withstand voltages up to 140 kV, wet power-frequency withstand voltages of 40-50 kV, and creepage distances from 185 mm to 620 mm. The self-cleaning design facilitates natural cleaning by rain and wind, reducing maintenance needs.<\/p>\n

Dimensions range from 178 mm to 380 mm in nominal diameter, 110 mm to 240 mm in height, and 2.1 kg to 21.5 kg in weight, ensuring compatibility with different system requirements and structural loads across various environmental conditions.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>