News

Sangao's High-End Handcart-Type Vacuum Circuit Breaker Leads the Way in Power Safety, Meticulously Protecting High-Altitude Energy Arteries

As a key component in ensuring the safe and stable operation of power grids, the handcart-type vacuum circuit breaker has become a core protection device in modern power distribution systems thanks to its high reliability, ease of operation, and excellent interrupting performance. SanGao, a renowned......

The 40.5kv Switch Recloser Effectively Improves the Operational Resilience of the Regional Power Grid

The core of this system lies in its fast and precise operation mechanism. When a line trips due to a sudden transient fault (such as a lightning strike or a tree branch touching a line), the recloser does not passively wait for manual intervention.

AC Load Breaker Switch: A Pioneer in Industrial Circuit Safety

Amidst the wave of smart grid upgrades, AC load breakers, as key isolation components in low-voltage power distribution systems, are reshaping circuit protection standards with their revolutionary design.

Do You Know the Key Considerations for Installing a Side-Mounted Indoor Vacuum Circuit Breaker?

As a core protection device for power systems, the quality of its installation directly impacts operational safety and lifespan. During installation, strict compliance with regulations is essential, with particular attention paid to the following aspects.

Why Is the High Voltage Earthing Switch Called the "Golden Bodyguard" Of High-Voltage Power Lines?

In the world of high-voltage electricity, there's an unassuming yet crucial "iron guard"—the High Voltage Earthing Switch. It doesn't generate or transmit power, but it serves as the ultimate line of defense for power grid security, its expertise comparable to the "bulletproof vest" of the power sys......

【Exhibition Spotlight】Zhejiang SanGao Electric Shines at the 4th Xiamen International New Power Grid Equipment & Energy Storage Exhibition

Zhejiang SanGao Electric Co., Ltd. made a remarkable appearance at the **4th Xiamen International New Power Grid Equipment & New Energy Storage Exhibition**, which grandly opened at Xiamen International Conference & Exhibition Center on July 18, 2025.

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