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Lightning Arrester, The "Thunderstorm Bodyguard" That Protects the Lights of Thousands of Homes, Is in Action!

The small Lightning Arrester is connected to the overall security of the power grid on one end, and guards the light of thousands of households on the other end.

Why Can Drop-Out Fuse Play a Key Protective Role in Power Systems?

Drop-Out Fuse is usually installed on overhead power lines or transformer branches. It can quickly fuse when abnormal current occurs, effectively isolate the fault area, and protect the back-end equipment from damage.

Why Is the Isolation Switch Called a Life-Saving Artifact for Power Grid Safety?

How to open and close an indoor load switch

‌Check the status‌: Before closing, you need to check the power supply, line status and load status to ensure that everything is normal.Pull the closing lever‌: Pull the closing lever to the closing position.

The function of an indoor vacuum circuit breaker

Indoor vacuum circuit breakers are mainly used to cut off and connect load current and fault current in high-voltage circuits to protect electrical equipment.

How to manufacture fixed vacuum circuit breakers

A vacuum circuit breaker is a switch device used to open and close power circuits. Its main working principle is to use electromagnetic mechanisms to cut off or energize circuits in a vacuum environment.