Single Phase Inverters Three Phase Inverters
All - 1000 ft. /300 m
SE25K and below - 1000 ft. /300 m
Above SE25K - 2300 ft. /700 m
Do not
use extension cables between a module and a power optimizer, between
two modules connected to the same power optimizer, or between two power
optimizers other than in the following cases:
Power optimizers with the 4-type suffix in their part number (Pxxx-4xxxxxx) -
extension cables of up to 16 m can be installed per optimizer (8 m for DC+ and
8 m for DC-).
Power optimizers manufactured starting from working week 42, 2019, as
indicated in the serial number (Example:S/N SJ5019A-xxxxxxxx - working week
50, 2019) - extension cables of up to 16 m can be installed per power optimizer
(8 m for DC+ and 8 m for DC-).
Extension cables can be installed between power optimizers only from row to
row, around obstacles or pathways within a row, and from the end of the
string to the inverter, as long as the total cable length is not exceeded.
For connecting power optimizers to the inverter, use cables with a minimum cross-
section of 11 AWG/ 4 mm² DC cables.
Frame-mounted power optimizers are mounted directly on the
module frame, regardless of racking system (rail-less or with rails). For
installation of frame-mounted power optimizers, refer to
http://www.solaredge.com/sites/default/files/installing_frame_
mounted_power_optimizers.pdf.
The steps in this chapter refer to module add-on power optimizers. For smart
modules, start from
Step 3: Connecting Power Optimizers in Strings
on page 23.
Also refer to the documentation supplied with the smart modules.
The power optimizer can be placed in any orientation.
If connecting more modules than power optimizer inputs in parallel, use a branch
cable. Some commercial power optimizer models have a dual input.
Position the power optimizer close enough to its module so that their cables can be
connected.
Three Phase System MAN-01-00507-4.2
20 Installation Guidelines
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