
High Voltage 300A Fuse for Transformer Protection and Safety. High Breaking Capacity: Maximum interrupting current of 50,000A rms symmetrical for high fault current protection. Current Limiting Technology: Minimizes energy input to safe levels, protecting transformers and distribution systems from fault stresses. Dual Protection System: Coordinates with expulsion fuses to provide low current protection and energy-limiting capabilities. Full Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs. 100% Product Inspection: All finished products undergo visual and functional inspection with uniform instructions. Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays. UL Standard Compliance: Manufactured to UL standards with UL K fusing speed for reliable performance. Traceable Raw Materials: Complete traceability of raw materials ensures quality control and safety.