178 20amp circuit breaker mcb products are offered for sale by suppliers on Alibaba.com, of which miniature circuit breakers accounts for 88%, circuit breakers accounts for 8%, and air circuit breakers accounts for 1%.
A wide variety of 20amp circuit breaker mcb options are available to you, such as c, b and d.You can also choose from home, protective 20amp circuit breaker mcb,as well as from li, lsi, and lsig 20amp circuit breaker mcb,and whether 20amp circuit breaker mcb is white, or black.