Filter
Top Products
Protect PV.630 Installation and Start-up
12 of 21 80000047963 BAL
4.8 Tightening Torque Values for Screw Connections
These values apply to the electrical and mechanical connections.
They do not apply to the floor attachment of the system or the indi-
vidual control cabinets where the floor is subject to dynamic force.
The specified torque information for the built-in units must be ob-
served.
Required torques of the electrical screw connections
Screw size
Connection of devises in general Copper-rails connections
Nominal torque [Nm]
acc. N57 2205
Nominal torque [Nm]
acc. N57 2201
slotted-head
strength class 5.8
hex-head
strength class 8.8
hex-head (min)
strength class 8.8
min. max.
0,21 - 0,42
0,37 - 0,74
0,57 - 1,15
0,85 - 1,7
1,75 - 2,65
2,95 - 4,4
7,0 - 14,0
0,33 - 0,65
0,58 - 1,2
0,9 - 1,85
1,35 - 2,7
2,8 - 5,5
4,7 - 9,3
11,5 - 22,5
22 – 44
38 – 75
90 – 180
174 - 347
2
3
5,5
15
30
60
120
2,7
5,5
9,3
22,5
44
75
180
M2,5
M3
M3,5
M4
M5
M6
M8
M10
M12
M16
M20
Table 1 Tightening torque values for screw connections