1) MT-7-10   the highest voltage:10KV,the max section of wires is:25mm2

2)MT-7-35  the highest volatge:35KV, the max section of wires is 25mm2

3)MT-7-110 the suited highest voltage :110KV, the max wires section :35mm2

4)MT-7-220  the highest voltage:220KV,the max section of wires is 50mm2

5)MT-7-500  the suited voltage:500KV,the max section of wires :70mm2

Note:Mt-7 is the structure of the pols and grips changement, if we produce a new structure of the poles and grips, maybe the type is MT-8.Please clear the voltage and the length of the poles and wires in advance.