Fronus X3 Genki IP65 15kw Three Phase Off-Grid Solar Inverter
Fronus X3 Genki IP65 15kw Three Phase Off-Grid Solar Inverter - Image 2
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Fronus X3 Genki IP65 15kw Three Phase Off-Grid Solar Inverter

Fronus X3 Genki IP65 15kw Off-Grid Inverter Features

  • High Output Power
    Delivers a continuous 15 kW output, ideal for large homes, farms, or light commercial applications.

  • Robust PV Support
    Supports up to 30,000 W of solar input (30 kWp) with an MPPT voltage range of 150–950 VDC for maximum energy harvest.

  • Dual MPPT Solar Trackers
    Two independent MPPT inputs (configurable 2 / 2), allowing optimized array layouts and handling shading variations.

  • High-Capacity MPPT Controller
    Built-in 250 A MPPT charge controller; supports up to 300 A charge/discharge current to quickly fill batteries.

  • Massive Surge Power Handling
    Capable of delivering double output peak (30 kW) for 10 seconds to handle heavy start-up loads.

  • 48 V Battery Compatibility
    Works with both lithium-ion and lead-acid battery systems (40–60 V), with smart 3-stage charging.

  • Fast Transfer Switching
    Offers fast switchover to back‑up mode (≤8 ms), minimizing power interruptions.

  • IP65 Weather Protection
    Fully sealed against dust and water spray for durable indoor or outdoor installation.

  • Tolorates 200 % PV Oversizing
    Allows PV array sizing up to 200 % of rated power for greater energy collection.

  • EPS Support & Unbalanced Load Handling
    Includes backup power features for unbalanced three-phase systems (e.g., different loads per phase).

  • Generator Compatibility
    Can synchronize with generators, offering added resilience during extended outages.

  • Advanced Connectivity
    Integrated CAN, RS485, CT, Meter, USB, NTC, Wi‑Fi, LAN ports (optional 4G) for remote monitoring and management.

  • Wide Temperature Range
    Operates reliably from -25 °C to +60 °C (with derating above 45 °C).

  • Durable and Stable Design
    Featuring fan cooling, transformerless PV side with high-frequency battery coupling, LED & LCD interface, compliant with IEC safety standards.

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Fronus X3 Genki IP65 15kw Three Phase Off-Grid Solar Inverter

IP65 Protection
Upto 10 Units in Parallel
Unbalanced Output Supported
8ms Swtich Overtime
200% Overload Tolerance
200% PV Input

The Fronus X3 Genki 15 kW is a high-performance, three-phase off-grid solar inverter designed to meet the energy demands of large residential, commercial, and industrial applications. With a robust 15,000 W output capacity and support for up to 30,000 W of solar input, it ensures efficient energy conversion and reliable power supply.

Equipped with dual Maximum Power Point Tracking (MPPT) inputs, each capable of handling 36 A, the inverter optimizes solar energy harvest across varying conditions. Its wide MPPT voltage range of 160–950 VDC allows for flexible solar array configurations.

The inverter supports both lithium-ion and lead-acid batteries, operating at a nominal voltage of 48 V. It offers a maximum charging and discharging current of 300 A, ensuring rapid battery cycling and efficient energy storage. The intelligent charging strategies, including self-adaptive BMS for lithium batteries and 3-stage charging for lead-acid batteries, enhance battery longevity.

In the event of grid failure, the inverter seamlessly switches to backup mode in less than 6 milliseconds, providing uninterrupted power supply. Its surge capacity allows it to handle up to twice its rated power (30,000 W) for 10 seconds, accommodating high inrush currents from appliances like motors and compressors.

Designed for durability, the inverter boasts an IP65 protection rating, making it suitable for both indoor and outdoor installations. It operates efficiently within a temperature range of -25 °C to +60 °C and at altitudes up to 3,000 meters.

Advanced communication interfaces, including CAN, RS485, USB, Wi-Fi, and LAN, enable remote monitoring and integration with energy management systems. The user-friendly LED and LCD display provides real-time system information and diagnostics.

With its high efficiency, robust design, and intelligent features, the Fronus X3 Genki 15 kW Off-Grid Solar Inverter is an ideal solution for those seeking reliable and efficient off-grid energy systems.

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DC Input

Max. PV Input Power [Wp]
 30000
Max. PV Array [Wp]
 30000
Max. PV Input Voltage [V]
 1000
Start Output Voltage [V]
 150
Nominal Input Voltage [V]
 640
Operating Voltage Range [V]
 160 ~ 950
MPPT Voltage Range [V]
 160 ~ 950
No. of MPPT / strings per MPPT
 2 / (2 / 1)
Max. input current [A]
 36 / 36
Max. short circuit current [A]
 50 / 50

Battery Data

Battery type
 Lithium / Lead-Acid
Battery voltage range [V]
 40 ~ 60
Nominal battery voltage [V]
 48
Max. Charging Voltage [V]
 ≤60(Adjustable)
Max. charging / discharging current [A]
 300
Charging Strategy for Li-ion Battery
 Self Adaption to BMS
Charging Strategy for Lead Acid Battery
 3 Stages Curves
Temperature Sensor
 Yes

EPS OUTPUT (WITH BATTERY)

Nominal AC output power [W]
 15000
Peak Apparent Power1 sun+BAT [W, s]
 2 times of rated power , 10
Nominal AC Output Frequency [Hz]
 50/60
Nominal AC Output Current [A]
 21.70
Nominal AC Voltage
 220/380,230/400
Switch Time
 < 6ms
THDv (linear load) [%]
 < 2%

AC INPUT(GEN)

Nominal GEN Voltage, Frequency
 220 / 380, 230 / 400 a.c. V, 50/60Hz
Nominal GEN Input Power
 15000W
Nominal GEN Input Current
 29A

SYSTEM DATA

MPPT Efficiency [%]
 > 99.9
Max. Efficiency
 97.6
Euro. efficiency [%]
 97.0

Protection Device

PV String Input Reverse Polarity Protection
 Yes
Insulation Resistor Detection
 Yes
Residual Current Monitoring Unit
 Yes
Output Over Current Protection
 Yes
Output Short Protection
 Yes
Output Over Voltage Protection
 Yes
Surge Protection
 AC Type II / DC Type II
Battery Terminal Temp Protection
 Yes

Environment Limit

Degree of protection
 IP65
Operating temperature range [°C]
 -25 ~ +60 (derating above +45)
Relative humidity [%]
 0 ~ 100%
Max. operation altitude [m]
 < 3000
Storage temperature [°C]
 -25 ~ +70
Noise emission(typical) [dB]
 ≤ 55

General Data

Dimensions (WxHxD) [mm]
 520 x 705 x 258
Net weight [kg]
 44.6
Cooling concept
 FAN
Topology
 Transformerless for PV side / HF for battery side
HMI Interface
 LED + LCD
Communication interfaces
 CAN, RS485, CT, Meter, USB, NTC, WiFi+Lan
Mounting
 Wall Bracket

Standard

Safety
 EN IEC 62109-1 /-2, EN IEC62040

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