Applications: | Type | Conductor Dimension (mm2) | Bolt Quantity | |
| Main line section | Branch line section | ||
| TTD-121F | 16-50 | 16-50 | 1 |
| TTD-201F | 35-95 | 25-95 | 1 |
| TTD-281F | 185-120 | 25-10 | 1 |
| TTD-301F | 25-95 | 25-95 | 2 |
| TTD-451F | 185-120 | 185-70 | 2 |
| TT2D82F | 25-95 | 2*(2.5-35) | 1 |

It is used for connecting one branch, two branch or two insulated main conductors. The connected load is up to 90A. It can also be used to connect clamp TTD or connect autonomy.

A broad usage in the low voltage insulation lines, leading the branch connection from the main conductor, T-connection of low voltage insulation wire service and cable branch connection for building distribution system.