
Photos show the series. Individual models differ in size.
Cable Lugs & Connectors
GTL Copper-Aluminium Connecting Tubes
GTL connecting tubes are oil-blocking copper-aluminium sleeves for joining round or sector-shaped wires and power cables in distribution installations.
- Series
- GTL
- Material
- Copper-aluminium bimetal
- Model entries
- 12
Choose a model
Model
GTL-16
- Length L
- 70
- Outer diameter A
- 9
- Outer diameter B
- 10
- Bore d
- 5.7
- Bore D
- 6.5
Model
GTL-25
- Length L
- 75
- Outer diameter A
- 10
- Outer diameter B
- 12
- Bore d
- 6.5
- Bore D
- 7.5
Model
GTL-35
- Length L
- 84
- Outer diameter A
- 11
- Outer diameter B
- 14
- Bore d
- 7.5
- Bore D
- 8.5
Model
GTL-50
- Length L
- 89.5
- Outer diameter A
- 12
- Outer diameter B
- 16
- Bore d
- 8.5
- Bore D
- 10.2
Model
GTL-70
- Length L
- 98.5
- Outer diameter A
- 14
- Outer diameter B
- 18
- Bore d
- 10
- Bore D
- 11.5
Model
GTL-95
- Length L
- 106
- Outer diameter A
- 16
- Outer diameter B
- 21
- Bore d
- 11.5
- Bore D
- 13.5
Model
GTL-120
- Length L
- 109
- Outer diameter A
- 18
- Outer diameter B
- 23
- Bore d
- 13.5
- Bore D
- 15
Model
GTL-150
- Length L
- 116
- Outer diameter A
- 20
- Outer diameter B
- 25
- Bore d
- 15
- Bore D
- 16.5
Model
GTL-185
- Length L
- 125
- Outer diameter A
- 22
- Outer diameter B
- 27
- Bore d
- 16.5
- Bore D
- 18.5
Model
GTL-240
- Length L
- 130
- Outer diameter A
- 24
- Outer diameter B
- 30
- Bore d
- 18.5
- Bore D
- 21
Model
GTL-300
- Length L
- 144
- Outer diameter A
- 27
- Outer diameter B
- 34
- Bore d
- 21
- Bore D
- 23.5
Model
GTL-400
- Length L
- 155
- Outer diameter A
- 30
- Outer diameter B
- 38
- Bore d
- 23.5
- Bore D
- 26.5
Compare all 12 models in a table
| Save model | Model | Length L | Outer diameter A | Outer diameter B | Bore d | Bore D |
|---|---|---|---|---|---|---|
| 70 | 9 | 10 | 5.7 | 6.5 | ||
| 75 | 10 | 12 | 6.5 | 7.5 | ||
| 84 | 11 | 14 | 7.5 | 8.5 | ||
| 89.5 | 12 | 16 | 8.5 | 10.2 | ||
| 98.5 | 14 | 18 | 10 | 11.5 | ||
| 106 | 16 | 21 | 11.5 | 13.5 | ||
| 109 | 18 | 23 | 13.5 | 15 | ||
| 116 | 20 | 25 | 15 | 16.5 | ||
| 125 | 22 | 27 | 16.5 | 18.5 | ||
| 130 | 24 | 30 | 18.5 | 21 | ||
| 144 | 27 | 34 | 21 | 23.5 | ||
| 155 | 30 | 38 | 23.5 | 26.5 |
How to select
- Select by conductor size and confirm both bore diameters, because the copper and aluminium ends differ.
- GTL tubes are made by friction welding without brazing filler.
- A suffix W after the size indicates the filler-free welding process.




