Fronius DC Box 60/12 Manual De Instrucciones página 29

Safety Precau-
The solar module strings may be connected only while in a de-energized
tions
state. The circuit of the solar modules should be interrupted at another
(continued)
location or the solar modules should be covered during installation.
The photovoltaic system DC voltage should not exceed a voltage
DC in a no-load situation.
The cover of the Fronius DC Box
For repair and maintenance work, the inverter should always first be
disconnected from the grid (AC side), then the DC disconnect in the
inverter should be opened (if available).
The Fronius DC Box 60/12 should be wired on the inside with a ground
and short circuit protection.
When connecting, ensure correct polarity.
60/12 should be kept closed.
3
of 850 V