Operational safety!
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In order to connect the DetCon detonation controller to other devices, you have to make suitable lead bushings. Observe the maximum number of cable and lead bushings for each side of the enclosure in order not to impair stability. Afterwards put the leads through the bushings in the enclosure wall and fasten them. Observe the tightening torques specified by the manufacturer.
Maximum Number of Lead Bushings
The maximum number of lead bushings depends on their size.
The maximum number for each side of the enclosure is selected according to the following table so that the side walls are not weakened and the stability of the enclosure is not impaired.
Screw size |
Side A |
Side B |
Side C |
Side D |
---|---|---|---|---|
M12 |
33 |
31 |
33 |
33 |
M16 |
19 |
17 |
29 |
29 |
M20 |
16 |
14 |
16 |
16 |
M25 |
13 |
11 |
13 |
13 |
M32 |
4 |
2 |
9 |
9 |
M40 |
3 |
1 |
3 |
3 |
M50 |
2 |
1 |
2 |
2 |
Type examination certificate All cable and lead bushings have to own a separate EC-type examination certificate. The closing plugs used require a separate EC-type examination certificate. |
Tightening Torques
When installing the lead bushings, the tightening torques have to be observed. If no specifications are available, the following values should be used.
Size |
Tightening torque |
Bore hole diameter |
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Socket |
Cap nut |
Counter nut |
|||
Brass/ |
Brass |
Polyamide |
Brass/Polyamide |
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M12x1.5 |
2.5 Nm |
2.0 Nm |
2.5 Nm |
12.5 mm |
|
M16x1.5 |
4.0 Nm |
2.5 Nm |
4.0 Nm |
16.5 mm |
|
M20x1.5 |
4.0 Nm |
2.5 Nm |
3.5 Nm |
4.0 Nm |
20.5 mm |
M25x1.5 |
7.5 Nm |
12.0 Nm |
5.0 Nm |
7.5 Nm |
25.5 mm |
M32x1.5 |
7.5 Nm |
12.0 Nm |
7.5 Nm |
32.5 mm |
|
M40x1.5 |
7.5 Nm |
12.0 Nm |
7.5 Nm |
40.5 mm |
|
M50x1.5 |
7.5 Nm |
12.0 Nm |
7.5 Nm |
50.5 mm |