LW36-126T3150-40 SF6 Circuit Breaker for Substation Applications The LW36-126T3150-40 is a high-voltage SF6 circuit breaker designed for substation applications, offering reliable performance, robust construction, and advanced protection for electrical networks. Rated at 126 kV with a breaking capacity of 31.5 kA and a rated current of 4,000 A, this breaker is engineered to handle demanding power transmission and distribution requirements. Key Features 1. SF6 Gas Insulation The breaker utilizes sulfur hexafluoride (SF6) gas as both the insulating and arc-quenching medium. SF6’s high dielectric strength and thermal stability ensure efficient interruption of high fault currents while minimizing maintenance needs. The gas is contained in a sealed, corrosion-resistant enclosure, ensuring long-term reliability. 2. Spring-Operated Mechanism Equipped with a high-performance spring-operated mechanism, the breaker provides fast, reliable switching operations. The mechanism is designed for low energy consumption and high mechanical endurance, supporting frequent operations without degradation in performance. 3. Compact and Modular Design The LW36-126T3150-40 features a compact, modular structure, making it suitable for both indoor and outdoor substations. Its space-saving design simplifies installation and integration into existing switchgear configurations. 4. Advanced Arc Extinction Technology The breaker employs a self-blast or puffer-type arc extinction system, ensuring rapid and efficient interruption of fault currents. This technology reduces wear on contacts and extends the operational lifespan of the breaker. 5. Environmental and Safety Compliance Designed with environmental considerations, the breaker minimizes SF6 gas leakage through high-quality sealing systems. It complies with international standards such as IEC 62271 for high-voltage switchgear, ensuring safety and reliability. Applications The LW36-126T3150-40 is ideal for: - Transmission and distribution substations - Renewable energy integration (wind/solar farms) - Industrial power systems requiring high fault current interruption - Grid stability and protection schemes Advantages - High Reliability: Proven performance in harsh environments. - Low Maintenance: Sealed SF6 system reduces inspection frequency. - Long Service Life: Robust construction ensures durability. - Easy Integration: Compatible with various substation layouts. In summary, the LW36-126T3150-40 SF6 circuit breaker is a critical component for modern power systems, delivering superior protection, efficiency, and adaptability for high-voltage applications. Its advanced design ensures safe and stable operation, making it a preferred choice for utility and industrial substations.