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Fox ESS KH8 8kW Single phase Hybrid InverterManufacturer series image
Fox ESS / Inverters

Fox ESS KH8 8kW Single phase Hybrid Inverter

8kW single phase hybrid inverter with 3 independent MPPTs, 50 A battery charging/discharging, IP65 protection. Specifications below apply to KH8.

PKR 270,000

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10 years replacement warranty

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  • 3 independent MPPTs
  • 50 A battery charging/discharging
  • IP65 protection
  • backup transfer under 6 ms
  • FoxCloud 2.0 monitoring

Product overview

Brand
Fox ESS
Model
KH8
Capacity
8 kW
System type
Hybrid
Warranty
10 years replacement warranty
Availability
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Specifications are taken from the manufacturer’s product information for the model shown. Your quotation will confirm the supplied configuration, compatible equipment and local warranty coverage.

Download datasheet (PDF)Manufacturer information ↗
ENGINEERING DETAILS

Technical specifications

KH8 · Select a section to view its specifications.

System
Phase
Single phase
Inverter type
Hybrid
Model
KH8
Solar PV input
Maximum PV array
16,000 Wp
Maximum DC input
12,000 W
Maximum DC voltage
600 V
Nominal DC voltage
360 V
Maximum input current
16 / 16 / 16 A
Maximum short-circuit current
20 / 20 / 20 A
Backfeed current to array
0 mA
MPPT voltage range
80–500 V
Startup voltage
75 V
MPPT trackers
3
Strings per MPPT
1
DC disconnection switch
Optional
Battery connection
Battery type
Lithium-ion
Battery voltage range
85–480 V
Recommended battery voltage
300 V
Maximum charge current
50 A
Maximum discharge current
50 A
Battery interfaces
CAN / RS485
Reverse connection protection
Yes
Grid output
Nominal apparent AC power
8,000 VA
Maximum apparent AC power
8,800 VA
Rated grid voltage
220 / 230 / 240 V; operating range 180–270 V
Grid frequency
50 / 60 Hz, ±5 Hz
Nominal output current
34.8 A
Maximum output current
38.3 A
Displacement power factor
0.8 leading to 0.8 lagging
Current distortion (THDi)
<3% at rated power
Grid input
Maximum AC input
14,500 VA
Maximum input current
63 A
Rated grid voltage
220 / 230 / 240 V; operating range 180–270 V
Grid frequency
50 / 60 Hz, ±5 Hz
Backup output (EPS)
Maximum apparent output
8,000 VA
Rated voltage / frequency
220 / 230 / 240 V; 50 / 60 Hz
Maximum current
36.4 A
Peak power
10,000 W for 60 seconds
Transfer time
<6 ms
Voltage distortion (THDv)
<2% with linear load
Parallel operation
Up to 10 units
Efficiency
MPPT efficiency
99.90%
European efficiency
97.40%
Maximum efficiency
97.80%
PV to battery efficiency
98.50% maximum at full load
Battery to AC efficiency
97.00% maximum at full load
Protection
PV reverse polarity
Yes
Battery reverse connection
Yes
Anti-islanding
Yes
Output short circuit
Yes
Leakage current protection
Yes
Insulation resistance detection
Yes
Reverse connection protection
Yes
Overcurrent / overtemperature protection
Yes
Overvoltage category
III (AC); II (DC)
AC / DC surge protection
Type II / Type II
AFCI
Optional
Physical and environmental
Dimensions (W × H × D)
450 × 527 × 208 mm
Weight (KH hybrid)
29 kg
Cooling
Natural convection
Topology
Non-isolated
Ingress protection
IP65
Protective class
Class I
Operating temperature
−25 to +60°C; derating above +45°C
Storage temperature
−40 to +70°C
Humidity
0–95%, non-condensing
Altitude
<2,000 m
Typical noise
<30 dB
Idle standby consumption
<15 W
Monitoring and standards
Interfaces
Wi-Fi, DRM, USB, CT, RS485; meter and 4G optional
Safety standards
IEC 62109-1, IEC 62109-2, IEC 62477-1
EMC standards
EN 61000-6-1, EN 61000-6-2, EN 61000-6-3
Certifications listed
G99, EN 50549, NRS 097-2-1

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