1.2.2 Systèmes de jeu de barres à
circular stranded
round solid
Borne du système de barres omnibus
cotes en mm
1.2.3
Dimension du système de barres
cotes en mm
L* = L1 / L2 / L3
PE / N
L*
L*
L*
N / PE
Tableaux de distribution GHG 619; EXKO,
pour atmosphères explosives
sector-shaped
stranded
Clearance
creepage
Maximum linear expansion a
support gaps distance
x
>
10 mm
at 690 V
y
>
12 mm
at 690 V
~ 18,2 mm
at max� length of 6300 mm
Spacer, included in the version
for metal enclosure
F
71