China automatic changeover switch 125 amp Manufacturer, Supplier, Factory

A distribution box is an essential electrical component used to distribute power from the main supply to multiple circuits in residential, commercial, and industrial applications. It houses circuit breakers, switches, and protective devices that help control and safeguard electrical systems from overloads and short circuits.

On March 28, 2025, a powerful earthquake shook Southeast Asia, causing strong tremors across Thailand. Although the epicenter was located in the Sagaing Region of Myanmar, the 7.7-magnitude quake severely impacted Bangkok and surrounding cities, leading to building collapses, transportation disruptions, and widespread panic. This disaster has become one of the most significant natural catastrophes of the year.

Modern power systems are threatened by transient voltage surges. These short, high amplitude voltage pulses, usually lasting from nanoseconds to milliseconds, caused by lightning strikes, grid fluctuations or the switching of industrial equipment, can silently destroy precision electronic devices ranging from laptops to photovoltaic inverters. Although circuit breakers are crucial for preventing overloads and short circuits, they are powerless against microsecond-level surges that bypass their mechanical tripping mechanisms. This article will delve into the functions that lightning arresters can perform but circuit breakers cannot, as well as why both are indispensable in electrical protection.

In power systems, voltage abnormalities are one of the main causes of equipment damage and safety hazards. Some people's devices fail to operate properly, while others get burned out—these malfunctions are directly related to voltage issues.

In the quest for sustainable green power, solar energy, with its innate cleanliness and renewability, has seamlessly woven itself into the fabric of our daily existence. However, as the old adage goes, nothing is without its drawbacks, and the utilization of solar power is no exception.

The gentle breeze of midsummer comes with the aroma of zongzi! The Dragon Boat Festival is approaching. This traditional Chinese festival, engraved with the marks of a thousand years of civilization, carries the profound emotions and wisdom of the Chinese people. Let's embark on a cultural journey through time and space together, and explore the unique charm of the Dragon Boat Festival!