Industry News

What is the Difference Between a Circuit Breaker and an Isolating Switch?

Circuit breakers and isolating switches play distinct roles in high- and medium-voltage power systems. This guide explains their core functional differences—protection, load switching, visible isolation, and application scenarios—to help you choose and use them correctly in your power system.

Isolation Switch Explained: Function, Types, and How It Works

An isolation switch provides a safe, visible disconnection point in high-voltage systems, ensuring equipment shutdown during inspection or maintenance. This guide explains its working principle, key functions, types, applications, and how to choose the right isolator—plus what sets Chuanli solutions apart.

SF6 Load Break Switch vs Circuit Breaker: Which One Do You Need?

SF6 circuit breakers and SF6 load break switches both use SF6 gas, but they differ greatly in switching capacity, protection functions, and applications. This guide explains their key differences and helps you choose the right solution for your medium-voltage system.

What Is an Overhead Transformer? A Complete Guide for Your Power Needs

Overhead transformers are essential for converting medium-voltage power into usable low-voltage electricity for homes, businesses, and small industries. This guide explains how pole-mounted transformers work, their types, applications, and why Chuanli’s high-efficiency overhead transformer solutions are trusted for reliable and long-lasting power distribution.

Prefabricated Substation: Efficient, Safe, and Ready-to-Install Solutions

Prefabricated substations offer fast installation, compact design, and reliable performance, making them ideal for modern power distribution across industrial, commercial, and urban projects.

What is Withdrawable Switchgear and How Does It Work?

Withdrawable switchgear offers flexible maintenance, high safety, and reliable operation, making it ideal for modern medium-voltage distribution systems.

A Complete Guide to SF6 Gas Insulated Switchgear

SF6 gas insulated switchgear offers compact size, high reliability, and low maintenance for modern power systems, making it ideal for medium- and high-voltage applications.

What Gas is Used in Ring Main Units (RMUs)?

Gas-insulated RMUs use specialized insulating gases to ensure compact size, strong dielectric performance, and safe grid operation. This guide explains gas types, SF₆ alternatives, and why Chuanli’s low-GWP RMUs lead the industry.

Difference Between Protective Relays and Circuit Breakers