YH5WZ-51/134Q gapless lightning arrester is designed specifically for 10kV-220kV high-voltage transmission and transformation system. Compliant with GB 11032-2000 (equivalent to IEC 60099-4) and JB/T 10497-2005 standards, suitable for extreme environments ranging from -45 ° C to+75 ° C, resistant to salt spray and industrial chemical corrosion.