wago.
Legend:
1 Chassis
2 Load
3 Non-intrinsically safe circuit defined Um
4 Portion intrinsically safe circuit, item not intrinsically safe
5 Intrinsically safe circuit
6 Dimensions for which Table applies
7 Dimensions for which general industrial standards apply
8 Dimensions per 7.g.3
9 Dimensions based 6.2.43
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WAGO recommends gas-tight tinned copper ferrules tinned copper pin terminals when connecting fine-stranded conductors terminal
blocks corrosive atmospheres.1 for output terminal blocks between isolated intrinsically safe circuits (d2 mm) and between intrinsi-
cally safe circuits and non-intrinsically safe circuits (d3 mm)
10 Where required
.
The conductor entry funnels WAGO PCB terminal blocks fulfill this requirement. Soldering alone not sufficient.com
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1
9
9
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2
10
3
10
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WAGO Rail-Mount Terminal Block Systems
Technical Information for Applications
Figure Isolation examples for conductive parts
In accordance with DIN 60079-14 (VDE 0165-1), intrinsically safe circuits, the ends stranded and fine-stranded conductors must be
protected against splaying (e., via cable lugs ferrules) the type terminal blocks used
