148 three pole mcb products are offered for sale by suppliers on Alibaba.com, of which miniature circuit breakers accounts for 55%, circuit breakers accounts for 13%, and moulded case circuit breakers accounts for 11%.
A wide variety of three pole mcb options are available to you, such as c, b and d.You can also choose from home, industrial and protective three pole mcb,as well as from li, lsi, and lsig three pole mcb,and whether three pole mcb is white, or black.