Bartec Varnost BM 4KTC71 - Screw Tightening Torque

INSTALLATION GUIDELINES
35
9. SCREW TIGHTENING TORQUE
Table 1: Tightening torque: Ex enclosure. Tightening torques for screws of the strength class 8.8
and A4-70.
Thread
Tightening
torque (Nm)
Thread
Tightening
torque (Nm)
M4
2.3
M12
66
M5
4.6
M14
105
M6
7.9
M16
160
M8
19
M20
330
M10
38
M24
560
Table 2.: Tightening torque: for electrical connections
Thread
Tightening
torque (Nm)
Thread
Tightening
torque (Nm)
M4
1.2
M10
10
M5
2
M12
15.5
M6
3
M16
30
M8
6
M20
52
10. RECOMENDED TORQUES FOR BARTEC-VARNOST STANDARD Exe CABLE GLANDS
(Nm)
Table 3.: Recommended tightening torque and terminal sizes for cable glands WISKA, typ ESKE-..
… …..
Cable gland size
Connection thread (Nm)
Pressing screw (Nm)
Terminal size (mm)
ESKE
-
.12
2,0
2,0
3
-
6
ESKE
-
.16
1,8
1,3
4
-
9
ESKE
-
.20
2,3
1,5
6
-
13
ESKE
-
.25
3,0
2,0
7
–
12 / 10
–
17
ESKE
-
.32
4,5
3,0
13
–
21
ESKE
-
.40
11,0
10,0
17
-
28
ESKE
-
.50
13,0
12,0
23
-
35
ESKE
-
.63
17,0
16,0
31
-
48