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FoxESS

H3 Smart 5.0-15.0kW Three Phase Hybrid Inverter

Model range: H3-5.0-Smart / H3-6.0-Smart / H3-8.0-Smart / H3-9.9-Smart / H3-10.0-Smart / H3-12.0-Smart / H3-15.0-Smart

7 pack sizes

Foxess inverter H3 Smart 5.0-15.0kW Three Phase Hybrid Inverter (5-15 kW class).

InverterBattery-readyThree-phaseBusiness10 yr warranty

At a glance

Best for

Three-phase homes and business buildings planning solar or battery integration

Standout

Inverter output is around 5-15, which helps match solar and load needs.

Watch out for

Check whether your site uses three-phase power before shortlisting this option.

Key specifications

A quick snapshot of the family. Compare module counts and capacity in the table below.

Dimensions (W × H × D)

600 × 450 × 226 mm

Output power

5-15

This affects how much power the system can deliver at one time.

Power phase

Three phase

Three-phase products are more common in larger homes and many business buildings.

Product warranty

10

Longer warranty usually means stronger long-term coverage.

Ip Rating

IP65

Compare pack sizes

Capacity, voltage, and power rise as you stack more modules. Specs that stay the same on every size are listed underneath.

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Max. Array PowerWp11000140001800020000200002400030000
Max. DC Input PowerW11000132001760018000180002250022500

The same on every size

Max. DC Voltage
1000 V
Nominal DC Operating Voltage
620 V
Max. MPPT Input Current
20/20/20 A
Max. MPPT Short Circuit Current
25/25/25 A
Max. MPPT Input Power
10000/10000/10000 W
Min. Operating PV Voltage
90 V
MPPT Voltage Range
120 ~ 950 V
Start-up Input Voltage
140 V
No. of MPP Trackers
3
Strings per MPP Tracker
1+1+1

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Min. Battery Voltage @ Full AC LoadV108125160210210250310

The same on every size

Battery Type
Lithium-Ion battery
Battery Voltage
100 ~ 800 V
Min. Operating Battery Voltage
100 V
Max. Charge/Discharge Current
50.0 A
Communication Interface
CAN

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Nominal AC PowerW5000600080009900100001200015000
Rated Output Apparent PowerVA5000600080009900100001200015000
Max. Apparent AC PowerVA5500660088009900110001320016500
Rated AC CurrentA (per phase)7.69.112.115.015.218.222.7
Max. AC CurrentA (per phase)8.310.013.315.016.720.025.0

The same on every size

Rated Grid Voltage (AC Voltage Range)
400/230; 380/220, 3L/N/PE V
Rated Frequency
50/60 Hz
Power Factor
1 (Adjustable from 0.8 leading to 0.8 lagging)
THDI
<3 @ rated power %

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Max. AC PowerVA60007200960012000120001440016000
Max. AC CurrentA (per phase)9.110.914.518.218.221.824.2

The same on every size

Rated Grid Voltage (AC Voltage Range)
400/230; 380/220, 3L/N/PE V
Rated Frequency
50/60 Hz

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Nominal Output PowerW5000600080009900100001200015000
Max. Apparent AC PowerVA5000600080009900100001200015000
Rated EPS CurrentA (per phase)7.28.711.614.514.517.421.7
EPS Max. CurrentA (per phase)7.28.711.614.514.517.421.7

The same on every size

Rated Output Voltage
400/230; 380/220, 3L/N/PE V
Rated Frequency
50/60 Hz
Power Factor
1 (Adjustable from 0.8 leading to 0.8 lagging)
Switch Time
<20 ms
THDV
<3 @ Linear load %

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Max. Efficiency%97.3097.7097.7097.9097.9097.9097.90

The same on every size

MPPT Efficiency
99.90 %
European Efficiency
97.20 %

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
PV Reverse Polarity ProtectionYESYESYESYESYESYESYES
Battery Reverse ProtectionYESYESYESYESYESYESYES
Anti-Islanding ProtectionActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive FeedbackActive Frequency Drift with Positive Feedback
Output Short ProtectionYESYESYESYESYESYESYES
Leakage Current ProtectionYESYESYESYESYESYESYES
Insulation Resistor DetectionYESYESYESYESYESYESYES
Overvoltage CategoryIII (AC side), II (DC side)III (AC side), II (DC side)III (AC side), II (DC side)III (AC side), II (DC side)III (AC side), II (DC side)III (AC side), II (DC side)III (AC side), II (DC side)
Reverse Connect ProtectionYESYESYESYESYESYESYES
Overcurrent Protection / Overtemperature ProtectionYESYESYESYESYESYESYES
DC/AC Surge ProtectionType II (PV) / Type II (AC)Type II (PV) / Type II (AC)Type II (PV) / Type II (AC)Type II (PV) / Type II (AC)Type II (PV) / Type II (AC)Type II (PV) / Type II (AC)Type II (PV) / Type II (AC)
AFCI ProtectionOptionalOptionalOptionalOptionalOptionalOptionalOptional
DC SwitchYESYESYESYESYESYESYES

The same on every size

PV Reverse Polarity Protection
YES
Battery Reverse Protection
YES
Anti-Islanding Protection
Active Frequency Drift with Positive Feedback
Output Short Protection
YES
Leakage Current Protection
YES
Insulation Resistor Detection
YES
Overvoltage Category
III (AC side), II (DC side)
Reverse Connect Protection
YES
Overcurrent Protection / Overtemperature Protection
YES
DC/AC Surge Protection
Type II (PV) / Type II (AC)
AFCI Protection
Optional
DC Switch
YES

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
CoolingNaturalNaturalNaturalNaturalNaturalFAN coolingFAN cooling
Noise GradedB<40<40<40<40<40<55<55

The same on every size

Dimensions (W*H*D)
600*450*226 mm
Dimension of Packing (W*H*D)
665*545*390 mm
Net Weight
34 kg
Gross Weight
40 kg
Installation
Wall-mounted
Operating Temperature Range
-25 ~ +60 (Derating at 45) °C
Storage Temperature
-40 ~ +70 °C
Storage/Operation Relative Humidity
0 ~ 100 %
Max. Altitude
2000 m
Protective Class
I
Ingress Protection
IP65 (For outdoor use)
Standby Consumption
20 ~ 25 W
Standby Mode
YES
Inverter Topology
Non-isolated
Communication Interface
Ethernet, EMS(RS485), Meter, WiLAN(WiFi+LAN+Bluetooth), 4G(Optional), DRM, Ripple Control, USB, BMS(CAN), SG Ready
Standard Warranty
10 year
Button
Capacitive touch sensor *4
Buzzer
1, inside (EPS & Earth fault)

Numbers that change with size.

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Spec5.0-Smart6.0-Smart8.0-Smart9.9-Smart10.0-Smart12.0-Smart15.0-Smart
Country of ManufacturerChinaChinaChinaChinaChinaChinaChina

The same on every size

Country of Manufacturer
China