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Kostal  Art.Nr: 15925842116939

Kostal Plenticore Plus 5.5 G2 Hybrid Inverter - 10535115

Regular price
Regular price € 1.395,52 inkl. USt.
€ 1.162,93 exkl. USt.
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5.5 kW
AC rated power
3~
Grid connection
Hybrid
DC/AC coupled
97.1 %
max. efficiency

Advantages at a glance

🔋

Hybrid with AC/DC coupling

Battery can be connected via DC or AC – up to 15 A charging current and 120–650 V charging voltage for flexible storage retrofitting.

5.5 kW three-phase

AC rated power 5.5 kW at 400 V, symmetrical feed-in via three phases with up to 7.94 A output current.

📈

97.1 % efficiency

Maximum efficiency 97.1 %, European efficiency 96.2 % thanks to transformerless topology.

🌥️

3 string inputs & MPP

2 MPP trackers for PV plus 1 battery input, shade management and up to 8.25 kWp DC connection power.

🔌

Extensive interfaces

WLAN, 2× LAN, RS485 as well as 4 digital inputs and outputs each – with display and integrated DC switch.

🛡️

IP65 & quiet

Protection class IP65 for indoor and outdoor installation, active cooling with only 39 dB and operation from -20 °C.

Warranty & Durability

5
Years
Inverter manufacturer warranty

Technical Data

Parameter Value
AC Rated Power 5.5 kW
Max. AC Power 5.5 kVA
Grid Connection / Grid Voltage 3-phase / 400 V
Max. Output Current 7.94 A
Max. Efficiency 97.1 %
European Efficiency 96.2 %
MPP Tracker 2 + 1 (PV / Battery)
Total String Inputs 3
Max. DC Connection Power 8.25 kWp
Max. DC Input Voltage 1000 V
MPP Voltage Range 225–720 V
Start Input Voltage 150 V
Max. Input Current per MPPT 15 A
Max. Total Input Current (DC) 45 A
Battery Coupling AC / DC
Charging Current / Charging Voltage 15 A / 120–650 V
DC Connector SunClix
Integrated DC Switch yes
Topology transformerless
Interfaces WLAN, 2× LAN, RS485, 4× DI, 4× DO
Display available
Cooling active
Noise Level 39 dB
Protection Class IP65
Ambient Temperature from −20 °C
Dimensions (L×W×H) 233 × 405 × 563 mm
Weight 19.6 kg
Manufacturer Number 10535115

Frequently Asked Questions

What is the Kostal Plenticore Plus 5.5 G2?

The Plenticore Plus 5.5 G2 is a three-phase hybrid inverter with 5.5 kW AC rated power. It converts the direct current from solar modules into grid-compliant alternating current and can simultaneously charge and discharge a battery storage. With 2 MPP trackers for PV and an additional battery input, up to 8.25 kWp can be connected.

Which systems is the device suitable for?

With 5.5 kW and a three-phase 400 V connection, the inverter is designed for typical residential rooftop systems in the range of around 6 to 8 kWp. The transformerless topology achieves a maximum efficiency of 97.1 %, and the shade management extracts as much yield as possible even from partially shaded strings.

Can I connect a battery later?

Yes. The Plenticore Plus is a hybrid inverter with AC and DC coupling. A battery storage can be added directly to the third DC input or on the AC side, with up to 15 A charging current and a charging voltage range of 120 to 650 V – ideal for gradual expansion of self-consumption.

What interfaces and protection features does the inverter offer?

For communication, WLAN, 2× LAN, RS485 as well as four digital inputs and outputs each are available, plus a display for indication. A DC switch is integrated. With protection class IP65, active cooling at only 39 dB and operation from -20 °C, the device is suitable for indoor and outdoor installation.

Who is Kostal?

Kostal is a German manufacturer with a long tradition in power electronics. The solar division develops and manufactures inverters and hybrid devices for private and commercial photovoltaic systems and is known for robust, durable equipment.

Where can I buy hybrid inverters in Austria?

Hybrid inverters like the Kostal Plenticore Plus 5.5 G2 are available from SOLARVIC at solarvic.at. The PV and electrical wholesaler delivers throughout Austria and advises on design.

How can I order?

Directly online via solarvic.at – the SOLARVIC team will be happy to help with any questions regarding design.

AT approved, as of 07.08.2026
Listed in the TOR-Liste Erzeuger Typ A (Grid connection Austria)
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