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High Voltage Disc Suspension Porcelain Insulator for Power Transmission Lines. High voltage disc porcelain suspension insulator, mechanical failure load 40kN. IEC Standard Compliance: Manufactured to GB and IEC standards with full pre-delivery quality inspection. Brown glaze porcelain, anti-corrosion, suitable for 35kV-110kV overhead transmission line. Wide Application Range: Suitable for 66kV-110kV grids, overhead lines, and industrial power distribution. Customization Available: Offers mold making, size customization, and logo branding upon request. Comprehensive Warranty: Standard 12-month warranty with optional extension up to 36 months. Global Technical Support: 24/7 assistance, parts supply, and on-site or remote training available.