LW36-72.5 High Voltage SF6 Circuit Breaker for Substation Applications The LW36-72.5 is a high-voltage SF6 circuit breaker designed for substation applications, providing reliable protection and control in 72.5 kV power systems. Utilizing sulfur hexafluoride (SF6) gas as the arc-quenching and insulating medium, this breaker ensures high performance, durability, and safety in demanding electrical environments. Key Features 1. SF6 Gas Insulation & Arc Extinction - The LW36-72.5 employs SF6 gas, known for its superior dielectric strength and thermal conductivity, to effectively extinguish arcs during interruption. - The gas provides excellent insulation, reducing the risk of flashovers and enhancing operational reliability. 2. Compact & Modular Design - Designed for substation installations, the breaker features a compact and modular structure, optimizing space utilization while maintaining high mechanical strength. - Its three-phase common base design simplifies installation and maintenance. 3. Spring-Operated Mechanism - Equipped with a high-speed spring-operated mechanism, the breaker ensures fast and reliable switching (typically within 2-3 cycles). - The mechanism is maintenance-friendly, reducing downtime and operational costs. 4. High Breaking Capacity - Capable of interrupting high fault currents (typically 31.5 kA or higher), the LW36-72.5 ensures robust protection against short circuits and overloads. - Suitable for indoor or outdoor installations, depending on the substation requirements. 5. Environmental & Safety Compliance - Designed with low SF6 gas leakage technology, minimizing environmental impact. - Meets IEC 62271 and other international standards for high-voltage switchgear. Applications - Transmission & Distribution Substations – Protects transformers, busbars, and feeders. - Renewable Energy Integration – Ensures grid stability in solar/wind power plants. - Industrial Power Systems – Safeguards large industrial facilities with high-voltage demands. Advantages ✔ High reliability with minimal maintenance requirements. ✔ Long service life due to robust construction and SF6 insulation. ✔ Adaptability to various substation configurations. The LW36-72.5 SF6 circuit breaker is an essential component in modern power systems, delivering efficient, safe, and sustainable high-voltage switching solutions.