Gen24 Inverter: Connecting The Rapid Shutdown Box To An Emergency Stop Button - Fronius Rapid Shutdown Box - Duo Installation Instructions Manual

GEN24 inverter:
Connecting the
Rapid Shutdown
Box to an emer-
gency stop but-
ton
Connecting the
IMPORTANT!
Rapid Shutdown
Box to a Fronius Wiring schemes show best practice examples assuming that more than two PV
Primo 10.0 / strings connected in parallel require overcurrent protection (e.
11.4 / 12.5 / 15.0 g. fusing). Refer to Primo installation manual regarding multi conductor wiring
and fusing details
If multiple strings are connected to an MPP tracker, the string voltages should be
as equal as possible in order to avoid power losses.
Connecting 4 Solar Module Strings to the Fronius Primo 10.0 / 11.4 / 12.5 / 15.0
Emergency Switch Stop
RSB Quattro
Connecting to external emergency
stop:
If an external emergency stop is re-
quired, it can be installed anywhere in
the signal line. When the connected
emergency stop button is pressed, the
Rapid Shutdown is started and the PV
field is disconnected in the Rapid
Shutdown box. As soon as the emer-
gency stop button is returned to its
original position, the PV field is recon-
nected.
Requirements for external emergency
stop:
- Maximum switching load: 30 V
DC / 5 mA
- Nominal voltage between contacts
and housing: 600 V DC
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