This is the price inquiry on Taobao in China：4yuan
Fully functional, safety protection, and quality assurance
The function of the arc extinguishing cover of the circuit breaker is to make the arc contact with the insulation wall of the arc extinguishing chamber, thereby rapidly cooling, increasing the ionization effect, improving the voltage drop of the arc column, and forcing the arc to extinguish.
From the Internet.Publisher：writer，Please indicate the source when turning around：https://www.machinery-agent.com/Electronic_component/637.html
