4 Product overview
DC-side components
18
4.5.2 DC disconnectors
Fig. 4.8:
DC disconnectors
The DC disconnectors are marked on the inverter with the words
"SWITCH 1" and "SWITCH 2".
DC disconnector 1 separates the DC strings of MPP trackers 1
to 3.
DC disconnector 2 separates the DC strings of MPP trackers 4
to 6.
Germany: The DC disconnectors meet the requirements of VDE
0100-712.
France: The DC disconnector meet the requirements of
UTE 15-712-1.
Fig. 4.9:
Both DC disconnectors in the
OFF
position = the
connection to the solar modules is disconnected
The connection between the inverter and the solar modules is
disconnected
when both DC disconnectors are in the
OFF
posi-
tion.
Fig. 4.10: Both DC disconnectors in the
ON
position = the con-
nection to the solar modules is closed
The connection between the inverter and the solar modules is
closed
when both DC disconnectors are in the
ON
position.
Installation and Operation Manual for Solar Power Inverter M70A EU V2.0 EN 2020-08-03