
220KV Porcelain Housed Station Surge Arrester. Double Sealing Structure: Core encapsulated by molded silicone rubber to completely solve sealing issues. High Pollution Resistance: Wide creepage distance suitable for IV level heavy pollution areas. High Reliability ZnO Core: ZnO varistor features good pressure ratio, consistency, and large flow capacity. Two-Way Pressure Release: Equipped with a two-way pressure release structure for enhanced safety. Full Customization Available: Supports customization from samples, designs, and flexible minor adjustments. ISO Certified Manufacturer: Certified under ISO9001, ISO45001:2018, and ISO14001 standards. 100% Finished Product Inspection: Strict visual and function inspection for all finished products. 21 Years Export Experience: Established in 2002 with extensive experience in international trade.