Terminal blocks three ways (pole) in technical ceramic steatite. Impressive properties and resistance to high temperatures of ceramic enable to apply this type of terminal blocks in cables on electrical devices for both industry as well as domestic users. In the industry field are used in extremely high temperature applications such as furnaces, heaters, process equipment and machinery, road tunnels, train and subway tunnels and for parts of vessels that must resist fire . Extra-large measure for cable until 35 mmq.