IG Plus Data Sheet

The first complete inverter solution.
Reliable. Proven. Smart.
An outstanding addition to the family: The next generation
Fronius IG Plus inverter builds on a successful model with
multiple enhancements, including maximum power harvest,
a built-in six circuit string combiner, integrated, lockable DC
Disconnect, significantly improved efficiency, and unbeatable
reliability. New, larger power stages expand the proven
Fronius IG family from 2 to 12 kW in a single inverter.
Maximum energy harvest –
cloudy or clear
Highest Reliability
The Fronius development team has tested every detail of the
design, ensuring that the Fronius IG Plus line of inverters will
provide exceptional performance under all conditions.
Smart Ventilation Design. Disruptive ambient factors such
as biological infestations, dust, moisture, or coastal salt air
stay outside the new Fronius IG Plus Inverters away from the
circuitry. How: Cool air is drawn in through a filter screen on
the back of the inverter and routed through a closed channel
over the heat sink. This prevents contact between outside air
Maximum Earnings Security
Get the most power out of every ray of sunlight. This is
achieved through a complex interaction of different factors:
Three efficiency peaks. Greater power harvest for every
system size: The unique automatic transformer switching
function of the Fronius IG Plus enables not one, but three
equal efficiency peaks. The result: Consistently high
efficiency over a wide input voltage range. In comparison:
The efficiency of inverters without transformer switching
declines steadily with an increasing input voltage.
Fronius IG Plus
with transformer
switching
Inverter without
transformer
switching
Inverter without
transformer
Input voltage
Efficiency
MIX™ Concept. Get the maximum power harvest out of
partial load ranges, e.g. on cloudy days, through a clever
combination of multiple power stages in each inverter.
The power stages in Fronius inverters divide up the work
depending on operating hours and only operate as many
power stages as required to efficiently process available
power from the PV array.
Module Manager™. The Module Manager™ keeps all
Fronius IG Inverters at the maximum power point (MPP)
with fast and exact MPP tracking, ensuring that you get the
most power out of each ray of sunlight. This is especially
important for amorphous modules whose MPP can be more
challenging to track.
Market Leader. With a 96.2% peak efficiency, the Fronius
IG Plus inverter has the highest efficiency among high
frequency inverters.
and the circuit boards while cooling the inverter components
ensuring the inverter operates consistently. All circuit boards
are also dipped in Conformal coating to provide an added
measure of protection.
Failsafe. You can rely on Fronius inverters. In the rare
event that a power stage fails, the others will continue to
operate. Once the replacement power stage is delivered, it
can be quickly and easily replaced by a service technician,
without having to dismantle the entire inverter. The wiring
box, including all cabling, configurations and data (such
as kWh production) remains on the wall, while your service
technician removes two screws, exchanges the power
module, and within five minutes the inverter is repaired.
Longlasting Durability. The MIX™ concept increases the
lifespan of the inverter. While several power stages divide
up the operating hours, the new ventilation design keeps
them cool, improving efficiency and lifespan. To ensure
unsurpassed performance and long life, Fronius only uses
the highest quality name brand components available in this
new generation of inverters.
The first universal inverter
Versatility as a basic principle: The Fronius IG Plus works well
with all PV modules and is suitable for all system sizes.
Compatible with all module configurations. The Fronius
IG Plus works optimally with all module types, including
amorphous modules. The Fronius IG Plus works well with
all module types because of its wide input voltage range,
galvanic isolation, field programmable grounding option, and
its precise MPP tracking feature.
Grounding selectable on site. Decide on site what type
of grounding is required as the Fronius IG Plus is field
programmable for either positive or negative module
grounding.
Designed for indoor and outdoor installations. All Fronius
IG Plus inverters have a robust, well-designed aluminum
housing. UV-resistance and corrosion-protection enable
them to be used either indoors or outdoors. Fronius is proud
to be one of the only inverters tested and approved to
operate at 50ºC.
Field programmable AC output voltage. The Fronius
IG Plus inverter line from 3.0 to 11.4 kW is field programmable
to 208, 240 or 277 volts (Fronius IG Plus 12.0 kW only
available in 277 volts), eliminating the need to install different
inverter models to accommodate three-phase installations.
Universal product design. The functional principle is
identical in the entire Fronius IG Plus inverter family. This
means that if you are familiar with any of the Fronius IG Plus
inverters, you can also operate and service all other inverters.
Integrated DC disconnect. No external DC disconnect
installation or cabling is necessary. The Fronius IG Plus
comes complete with an approved, built-in, lockable and
load breakable DC Disconnect.
The new power plug system. The connection area and
power stages are installed separately from each other.
Very easy, and extremely safe: The connection area is
attached to the wall as normal. Then the power stage is
simply plugged in. The power plug connects both parts
into one secure unit. If service is required, the connection
area remains on the wall, maintaining all settings and
configurations.
Photo: KW-Solartechnik