DANGER! This inverter will be connected to a high voltage DC power generator and AC grid. The
installation must be performed by qualified personnel and in compliance with national and local
standards and regulations
NOTICE! The AC connection to the electrical distribution grid must be performed only after
receiving authorization from the utility that operates the grid.
The Autarco inverter is equipped with an integrated Residual Current Protective Device (RCPD) and Residual
Current Operated Monitor (RCOM). The RCOM will detect the volume of the leakage current and compare it
with the expected value, if the leakage current exceeds the permitted range, the RCPD will disconnect the
inverter from the AC load.
If regulations in the country of installation stipulate an external Residual Current Device (RCD), you must use a
device with a tripping threshold of 100 mA or more. A type “A” RCD can be used in accordance with our
“Manufacturer’s declaration for usage of residual current devices with Autarco SX, MX and LX grid-tied
inverters.”
The AC cable used must be dimensioned in accordance with any local and national directives on cable
dimensions which specify requirements for the minimum conductor cross-section. Cable dimensioning factors
are e.g.: nominal AC current, type of cable, type of routing, cable bundling, ambient temperature and maximum
specified line losses.
We recommend 4mm 105 ℃ cable with resistance lower than 1.5 ohm.
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General