产品详细描述（Description）

1. 200A 大电流，强开断能力
   • 额定电流200A，满足 35kV 大中型变压器、重载线路保护
   • 额定短路开断8kA，快速切断短路电流，防越级跳闸、设备烧毁
   • 内置消弧管，灭弧迅速、无重燃、无截流过电压，保护系统绝缘
2. 户外高耐候，强绝缘
   • 硅橡胶复合外套 / 瓷质绝缘子，爬距600mm，Ⅳ 级污秽，重污区适用
   • 抗紫外线、抗盐雾、抗潮湿、抗覆冰，适应沿海、高原、矿区
   • 环境温度 -40℃ ~ +40℃，海拔≤4000m
3. 安全可靠，明显断开
   • 熔丝熔断后熔管自动跌落，可见断开点，检修安全
   • 球面触头，导电优良、发热低、寿命长、接触可靠
   • 结构牢固，抗风、抗震、防误操作，户外长期免维护
4. 应用场景
   • 35kV 配电变压器高压侧主保护
   • 35kV 架空线路分段 / 分支保护
   • 变电站、箱变、开闭所、风电场、光伏电站
   • 城农网改造、工业园区、矿山、铁路35kV 系统

1. 200A High Current, Strong Breaking Capacity
   • Rated current 200A, meets protection for 35kV large/medium transformers and heavy-duty lines
   • Rated short-circuit breaking 8kA, quickly cuts off short-circuit current, prevents over-level tripping and equipment burnout
   • Built-in arc-extinguishing tube, fast arc quenching, no re-ignition, no chopping overvoltage, protects system insulation
2. High Outdoor Weather Resistance & Strong Insulation
   • Silicone rubber composite/porcelain insulator, creepage distance 600mm, Class Ⅳ pollution, suitable for heavy pollution areas
   • UV-resistant, salt spray-resistant, moisture-resistant, ice-resistant, adapts to coastal, plateau, mining areas
   • Ambient temperature -40℃ ~ +40℃, altitude ≤4000m
3. Safe & Reliable, Visible Disconnection
   • Fuse tube drops automatically after fuse melting, visible disconnection point, safe for maintenance
   • Spherical contacts, excellent conductivity, low heat, long life, reliable contact
   • Solid structure, wind-resistant, earthquake-resistant, misoperation-proof, maintenance-free outdoors long-term
4. Application Scenarios
   • Primary protection for 35kV distribution transformer high-voltage side
   • Sectional/branch protection for 35kV overhead lines
   • Substations, pad-mounted transformers, switching stations, wind farms, solar power stations
   • 35kV systems for urban/rural grid renovation, industrial parks, mines, railways