Type-2 Ac Surge Protection Devices; Dc-Side Components; Dc Connector Panel - Delta M70A 260 Installation And Operation Manual

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
Maximum current I
max
Voltage U
P
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
Installation and Operation Manual for Solar Power Inverter M70A EU V2.0 EN 2020-08-03
4.5

4.5.1 DC connector panel

Fig. 4.6:
The DC connector panel has 18 pairs of DC connectors (6 MPP
trackers with 3 pairs of DC connectors each).
Plug type:
10 kA (8/20 µs)
●
20 kA (8/20 µs)
895 V
●
AC
18 pairs of DC plugs are supplied in the scope of delivery.
Fig. 4.7:
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

DC-side components

DC connector panel
DC+: Amphenol H4 for 4/6 mm
H4CFC4D●MS)
DC–: Amphenol H4 for 4/6 mm
H4CMC4D●MS)
Label showing the assignment of each DC connector
4 Product overview
DC-side components
(Amphenol part number
2
(Amphenol part number
2
17