Ac Connection Terminal; Ac Surge Protection Devices Type 2 - Delta M125HV Installation And Operation Manual

4.4.2 AC connection terminal

Fig. 4.5: Position of the AC connection terminal
The AC connection terminal is suitable for grids with 3 phases
and PE. The connection of a neutral conductor is not intended.
Related topics
"5.4 Grid connection (AC)", page 37
"6.6 Connecting the grid (AC) and solar modules (DC)", page
72
Installation and operation manual for Solar Power Inverter M125HV EU V1 EN 2019-07-19

4.4.3 AC surge protection devices type 2

Fig. 4.6: Position of AC surge protection devices type 2
The position of the AC surge protection devices type 2 is marked
in the inverter with "AC SPD".
Fig. 4.7: View of theAC surge protection devices type 2 with
cover removed
The inverter has replaceable type 2 AC surge protection devices
that protect the inverter from excessively high voltages. The AC
surge protection devices type 2 are located behind the left door.
The AC surge protection devices type 2 are replaced as a block.
Type 2 OCM as per EN 61643-11
Rated current I
n
Maximum current I
max
Voltage U
P
Table 4.4.: Specification of the preinstalled AC surge protection
devices type 2
Related topics
"9.8 Replacing AC surge protection devices type 2", page 113
4 Product overview
AC-side components
10 kA (8/20 µs)
20 kA (8/20 µs)
895 V
AC
17