Fronius Option MC4 Connector Installation Instruction [EN]

Option MC4 Connector

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Installation

Installing the inverter with the built-in option “MC4 Connector” di󰀨ers only slightly from installing the inverter

without the option “MC4 Connector”
The DC connection is described below. The rest of the installation is described in the installation instructions of
the inverter - www.fronius.com/QR-link/4204260202EA

WARNING! An electric shock can be fatal.
Danger due to grid voltage and DC voltage
from the solar modules.

- The DC main switch is only to be used
to de-energise the power stage set. The
connection area is still live when the DC main

switch is switched o󰀨.

- Ensure that the power stage set and connec­tion area are disconnected from one another
before carrying out any maintenance or
service tasks.

- The power stage set, which is enclosed in a
separate housing, must only be disconnected
from the connection area when in a de-ener­gized state.

- Maintenance and servicing of the power
stage set of the inverter must only be carried
out by Fronius-trained service technicians.

Fronius International GmbH, http://www.fronius.com42,0410,2382 003-01092017

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Conduit size
1/2 in. / 3/4 in. / 1 in.

1 in. Conduit size, suitable for 1/4 in. (6 mm) wall thickness

(expandable to 1.5 inches, be careful to avoid interfering

with any or the internal components and an unbit drill may be used)