The recommended tightening torque for terminal block screws is shown below.
Please verify these values with your actual equipment.
1. For Terminal Block
Table 1. Recommended tightening torque value for Terminal Block
| No. |
Screw diameter |
Recommended T or que |
No. |
| [N·m](Sl unit) |
Torque[kg･cm] |
| 1 |
M3 |
0.36 - 0.49 |
3.7 - 5.0 |
|
| 2 |
M3.5 |
0.64 - 0.8 |
6.5 - 8.8 |
|
| 3 |
M4 |
1.0 - 1.2 |
9.6 - 12.8 |
|
| 4 |
M5 |
1.9 - 2.4 |
19.0 - 25.0 |
|
| 5 |
M6 |
3.3 - 4.3 |
33.5 - 44.0 |
|
| 6 |
M8 |
8.1 - 10.7 |
82.0 - 110.0 |
|
2. For Mounting hole (Aluminum chassis)
Table 2. For mounting holes (aluminum chassis)
| No. |
Screw diameter |
Recommended Torque |
No. |
| [N·m](Sl unit) |
Torque[kgf･cm] |
| 1 |
M3 |
0.36 - 0.49 |
3.7 - 5.0 |
|
| 2 |
M3.5 |
0.64 - 0.8 |
6.5 - 8.8 |
|
| 3 |
M4 |
1.0 - 1.2 |
9.6 - 12.8 |
|
| 4 |
M5 |
1.9 - 2.4 |
19.0 - 25.0 |
|
| 5 |
M6 |
3.3 - 4.3 |
33.5 - 44.0 |
|
| 6 |
M8 |
8.1 - 10.7 |
82.0 - 110.0 |
|
3. For Mounting hole (Steel plate)
Table3. Recommended tightening torque value for Mounting hole (Steel Plate Chassis)
| No. |
Screw diameter |
Recommended Torque |
No. |
| [N·m](Sl unit) |
[Torque[kgf･cm] |
| 1 |
M3 |
0.46 - 0.6 |
4.7 - 6.3 |
|
| 2 |
M3.5 |
0.79 - 1.08 |
8.1 - 11.0 |
|
| 3 |
M4 |
1.2 - 1.5 |
12.0 - 16.0 |
|
| 4 |
M5 |
2.4 - 3.0 |
24.0 - 31.0 |
|
| 5 |
M6 |
4.2 - 5.4 |
42.0 - 56.0 |
|
| 6 |
M8 |
10.1 - 13.4 |
103.0 - 137.0 |
|
