Specializing IN the production and sales of UK series terminal blocks, SAK(JXB) series terminal blocks, IN series combination terminal blocks, TB series terminal blocks, TC series high current terminal blocks, TD series terminal blocks, x3 Series wiring terminal, X5 series wiring terminal, NJD series wiring terminal and other electrical accessories. UK guide rail terminal screw wiring structure, designed to meet IEC60947-1, GB14048 and other standards, the product is used for AC 50Hz (60Hz), rated voltage 660V, the connection conductor whose rated cross section of the circuit below DC 440V is 0.75-150mm square meters is also suitable for connecting round copper conductor without special processing or crimping tubular ends.