The external protective conductor connection is located outside the enclosure of the DetCon detonation controller.
Use in potentially explosive atmospheres! The external protective conductor has to be connected always. Observe the requirements of EN 60439-1:1999 + A1:2004 section 7.4.3.1. |
Pos. |
Description |
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Blind rivet nut for M8 |
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Enclosure |
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Washer ISO 7092-8.4 |
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External protective conductor, the minimum cross section is 4 mm2, |
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Ring cable lugs DIN 46234, nominal cross section > 2.5 mm2 to35 mm2 |
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Split washer DIN 127-B8 |
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Hexagon nut ISO 4017 – M8 x 20 mm (0.79") |
Protective conductor connection of the ATEX enclosure All protective conductor connections of the ATEX enclosure are designed in M8. |
Connection of external protective conductor The external protective conductor is connected with the supplied stainless steel screws, nuts, washers and lock washers. The external protective conductor has to be provided with a standard cable lug with a suitable cross-section and ring diameter. The selected cable lugs have to correspond to one of the following standards:
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The cross-section for the protective conductor has to be dimensioned as follows:
Cross-section phase conductor S |
Minimum cross-section of corresponding protective conductor Sp |
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S £ 16 mm2 |
S |
16 mm2 < S £ 35 mm2 |
16 mm2 |
S > 35 mm2 |
0.5 mm2 x S |
Observe the requirements of EN 60439-1:1999 + A1:2004
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