Installation - ABB SafeRing 36 Installation And Operating Instructions Manual

4. INSTALLATION

The floor must be well leveled and the unit must be fixed by
means of anchor bolts in accordance with the dimensional
drawing for the number of modules or units as appropriate.
The unit should have a minimum distance of 100 mm to the
wall behind the unit and 20 mm to the side of the unit.
15 15
15
38
10 SafeRing/SafePlus 36kV | Installation and operating instruction
38
384
Ø 13
Unit 1-way
A (mm) 420
When installing Ring Main Unit or Compact Switchgear
with Internal Arc Classification AFL, the following must be
considered:
− Unit must be equipped with arc proof cable covers.
− Distance from floor to roof must be minimum 2600 mm
− Distance from back of unit to wall must be 100 mm.
− Distance from side wall of unit to wall must be minimum
20 mm.
− If unit is freestanding (i.e. distance from back of unit to wall
exceeds 100 mm), the area behind the unit must be restric-
ted and not accessible.
− Minimum dimensions of cable trench are 230 x 355 mm.
38
384
A
A - A
2-way 3-way 4-way
840 1260
15
384
Outline
38
1680