Eaton Corporation Page 42 Ver 1.1
Figure 6.4.2: Dimension of Knockouts
Direction
Diameter
Quantity
Underside
Combo 1-1/4 in. & 1 in.
4
Combo 3/4 in. & 1/2 in.
4
Back side
Combo 1-1/4 in. & 1 in.
4
Combo 3/4 in. & 1/2 in.
4
Let-hand side
Combo 1-1/4 in. & 1 in.
3
Combo 3/4 in. & 1/2 in.
1
Right-hand side
Combo 1-1/4 in. & 1 in.
3
Combo 3/4 in. & 1/2 in.
1
Open the knockouts for the wiring
PV Inverters are able to accept the different configuration of wiring from the
different direction with conduits. For the knockouts, two different size can be
used and the diameter of these knockouts were mentioned in figure 6.4.2.
Each knockout has two different levels of opening area that can be used,
inner level area and outer level area, as figure 6.4.3 indicates.
