Eaton Corporation Page 41 Ver 1.1
6.3 Maximum AC Short-Circuit Current
According to requirements for safety protection, PV Inverters shall have a
short circuit test on the AC output circuit. The following table describes the
test result of the AC Short-Circuit Current that the PV Inverter had.
Maximum Short-Circuit
Current and Duration Period
Ipeak
Irms
Duration
306A
178A
<1 s
6.4 Knockouts for the AC and DC wiring
PV Inverters is equipped with different size of knockouts in the wiring box
which can be used for the cable configuration of DC-side and AC-side. For
the convenience to the installer or system integrator, knockouts can be
utilized in four different directions and there are two different sizes of the
knockouts can be selected as shown in figure 6.4.2 and figure 6.4.3. The total
quantity of knockouts of PV Inverter is listed in a table as reference for
installing.
Figure 6.4.1: Knockout Directions of Wiring Box
Left-hand side
Right-hand side
Back side
Underside
