How can I be familiar with and understand circuit breakers?

Circuit breaker is a very basic low-voltage electrical appliance with overload, short-circuit and under-voltage protection functions, which can protect lines and power supplies.

The main technical indicators are rated voltage and current. Circuit breakers have different functions according to different applications. There are many varieties and specifications, and many specific technical indicators. As long as you find a professional dealer, he will tell you.

If it is just purchased, it is not necessary to master the technical indicators of the circuit breaker at once, but its quality is the most critical.

You must first understand the quality of circuit breakers available in the market at present. High-end brands include Siemens, Meilan Rilan and Mitsubishi, which are of good quality, durable and expensive.

In the mid-range, Zheng Tai has the largest sales volume, stable quality and moderate price.

There are countless other local brands.

The main varieties of circuit breakers are:

Plastic case circuit breaker, plastic case circuit breaker, leakage circuit breaker, small circuit breaker, high section small circuit breaker, high section small leakage circuit breaker, small leakage circuit breaker, lighting distribution box, dual power automatic switching device, intelligent universal circuit breaker.