17
4 Product overview
DC-side components
4.4.3 Type-2 AC surge protection devices
Fig. 4.5:
View of Type-2 AC surge protection devices with the
cover removed
The inverter has replaceable type-2 AC surge protection devices
which protect the inverter against excessive voltages. The Type-2
AC surge protection devices are replaced as a block.
Type 2 OCM as per EN 61643-11
Rated current I
n
10 kA (8/20 µs)
Maximum current I
max
20 kA (8/20 µs)
Voltage U
P
895 V
AC
Table 4.4.:
Specification of the pre-installed type-2 AC surge pro
-
tection devices
Type 1+2 combined AC surge protection devices can be ordered
as accessories.
Related Topics
“10.10 Replacing the AC surge protection devices”, page 141
“12.4 Installing the type 1+2 combined AC surge protection
devices after commissioning”, page 187
4.5 DC-side components
4.5.1 DC connector panel
Fig. 4.6:
DC connector panel
The DC connector panel has 18 pairs of DC connectors (6 MPP
trackers with 3 pairs of DC connectors each).
Plug type:
●
DC+: Amphenol H4 for 4/6 mm
2
(Amphenol part number
H4C
F
C4D●MS)
●
DC–: Amphenol H4 for 4/6 mm
2
(Amphenol part number
H4C
M
C4D●MS)
18 pairs of DC plugs are supplied in the scope of delivery.
Fig. 4.7:
Label showing the assignment of each DC connector
The assignment of the individual DC connectors to the strings is
shown on a label.
Related Topics
“5.5 Planning the connection of the solar modules (DC)”, page
40
“7.12 Connecting the solar modules (DC)”, page 97
Installation and Operation Manual for Solar Power Inverter M70A EU V2.0 EN 2020-08-03
