Structure and operation of circuit breakers
- Nov.25.2023
A circuit breaker is mainly composed of three basic parts, namely contacts, arc extinguishing system, and various release devices, including overcurrent release device, undervoltag...
Main technical parameters and types of contactors
- Nov.16.2023
(1) Rated voltage: The rated voltage of a contactor refers to the rated voltage of the main contact. There are 220V, 380V, and 660V for communication, with a rated voltage of up to...
The selection of low-voltage circuit breakers should be considered from the following aspects
- Oct.28.2023
(1) The selection of circuit breaker type should be based on the usage scenario and protection requirements. Choose plastic shell type as usual; When the short-circuit current is h...
What is a circuit breaker
- Oct.27.2023
Low voltage circuit breakers, commonly known as automatic switches or air switches, are used for infrequent on-off control in low-voltage distribution circuits. It is a control and...
What is a contactor
- Aug.18.2023
Contactors are mainly used to control motors, electric heating equipment, welding machines, capacitor banks, etc. They can frequently connect or disconnect AC/DC main circuits, ach...
