Description：

40.5kV Dead tank SF6 circuit breaker products are a new generation of open high-voltage electrical equipment developed by Jiangsu Province such as high voltage electrical appliances Co., Ltd. with independent intellectual property rights, suitable for cold and high altitude areas, the product is composed of inlet and outlet bushings, current transformers, interrupters, frames, operating mechanisms and other components, advanced technology, quality and reliability has reached the domestic leading, international advanced level.

Main Features：

• Superior Electrical Performance: The 40.5kV Dead Tank SF6 Circuit Breaker features exceptional breaking and closing capabilities, rapid arc extinguishing, and a long electrical lifespan, ensuring stable operation of power systems.
• Compact & Robust Design: Its dead tank structure encloses live parts in an SF6-filled metal tank, offering a low center of gravity, high seismic resistance, and adaptability to diverse installation environments.
• Excellent Environmental Adaptability: Leveraging SF6 gas's superior insulation and arc-quenching properties, the breaker operates reliably in temperatures ranging from -40°C to 40°C, suitable for harsh conditions like cold climates and high altitudes.
• Low Maintenance & High Efficiency: The sealed design minimizes environmental impact, while its long mechanical lifespan and reliable operating mechanism reduce maintenance frequency and costs, extending equipment service life.
• Enhanced Safety Features: Equipped with comprehensive interlocking devices and insulation protection, it prevents maloperations. SF6 gas insulation eliminates internal discharge risks, safeguarding personnel and equipment.

Technical specifications：