Hybrid inverter FOX ESS P3-125-Plus (125 kW, 3-phase, 8 MPPT, HV)
425,820 ₴
Published 4 days ago by Solar-Tech
425,820 ₴
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вул. Стеценка, 14/44, Київ, Україна
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FOX ESS P3-125-Plus — hybrid solar inverter
FOX ESS P3-125-Plus is a powerful three-phase hybrid inverter with a rated power of 125 kW, designed for commercial and industrial solar power plants with energy storage support. The inverter is engineered for stable operation in grid-tied, hybrid and off-grid systems and is ideal for large enterprises, logistics centers, the agricultural sector and infrastructure facilities.
The inverter combines high efficiency up to ≈98.1–98.5%, advanced configuration capabilities, a large number of MPPT trackers and an intelligent energy management system with monitoring via the FoxCloud platform.
Operating modes
FOX ESS P3-125-Plus supports various operating scenarios:
-
grid-tied mode (On-grid)
-
hybrid mode with batteries
-
off-grid mode (Off-grid)
-
backup power (EPS)
-
self-consumption mode
-
exporting excess energy to the grid
-
export limiting mode (Zero Export)
Control is carried out via the inverter display or a remote monitoring system.
Operation with the external grid
The inverter supports parallel operation with the grid:
-
powering connected loads
-
battery charging
-
exporting energy to the grid
-
reactive power control (PF 0.8…0.8)
Support for export limitation when using an external meter is implemented.
Operation with batteries
FOX ESS P3-125-Plus works with high-voltage lithium batteries:
-
battery type — LiFePO₄ (LFP)
-
voltage range — 180–950 V
-
maximum charge/discharge current — up to 240 A (80+80+80)
-
number of battery inputs — 3
-
communication interface — CAN (3 channels)
The inverter automatically interacts with the BMS and optimizes charging and discharging processes.
Backup power mode (EPS)
The inverter is equipped with an EPS function:
-
EPS power — up to 137.5 kVA
-
peak power — up to 155 kVA (10 seconds)
-
support for critical loads
-
switching time — ≤10 ms
Provides stable emergency power during grid outages.
Operation with solar panels
The inverter is equipped with an advanced MPPT system:
-
maximum PV power — up to 250 kW
-
MPPT range — 180–850 V
-
starting voltage — 180 V
-
number of MPPT — 8
-
string configuration — 2 per MPPT (up to 16 inputs)
-
maximum MPPT current — ≈40 A per tracker
Allows implementing complex PV plant schemes and operating efficiently with various panel orientations.
Safety
The inverter is equipped with a comprehensive protection system:
-
short-circuit protection
-
overvoltage protection
-
leakage current protection
-
overheat protection
-
reverse polarity protection
-
anti-islanding mode
-
power quality control (THD < 3%)
Monitoring and control
Supports modern monitoring functions:
-
interfaces: RS485, CAN, Ethernet, USB
-
remote monitoring via FoxCloud
-
connectivity: WiFi / LAN / 4G (optional)
Available:
-
generation control
-
battery monitoring
-
consumption analysis
-
remote configuration
Service features and construction
-
protection rating — IP65
-
cooling — active (fans)
-
display — color LCD
-
construction — industrial enclosure
-
rated voltage — 380/400 V, 3-phase
Features
-
hybrid operation (grid + PV + battery)
-
support for HV batteries
-
8 MPPT trackers
-
up to 3 battery ports
-
EPS mode
-
Zero Export support
-
monitoring via FoxCloud
-
high efficiency (≈98%)
-
protection rating IP65
-
system scalability
Technical specifications:
DC input (photovoltaic side)
Backup, off-grid mode
Power, W
125 000
Maximum power, W
137 500
Peak power up to 10s, W
up to 155 000 VA (10 s)
Output current, A
≈190 A / phase
Max. output current, A
≈198.5 A / phase
Max. transit current, A
up to 300 A
Output frequency, Hz
50/60
Grid type
3ph
Harmonic coefficient, %
THD
Read morePublished on 2026/10/11
Description
FOX ESS P3-125-Plus — hybrid solar inverter
FOX ESS P3-125-Plus is a powerful three-phase hybrid inverter with a rated power of 125 kW, designed for commercial and industrial solar power plants with energy storage support. The inverter is engineered for stable operation in grid-tied, hybrid and off-grid systems and is ideal for large enterprises, logistics centers, the agricultural sector and infrastructure facilities.
The inverter combines high efficiency up to ≈98.1–98.5%, advanced configuration capabilities, a large number of MPPT trackers and an intelligent energy management system with monitoring via the FoxCloud platform.
Operating modes
FOX ESS P3-125-Plus supports various operating scenarios:
-
grid-tied mode (On-grid)
-
hybrid mode with batteries
-
off-grid mode (Off-grid)
-
backup power (EPS)
-
self-consumption mode
-
exporting excess energy to the grid
-
export limiting mode (Zero Export)
Control is carried out via the inverter display or a remote monitoring system.
Operation with the external grid
The inverter supports parallel operation with the grid:
-
powering connected loads
-
battery charging
-
exporting energy to the grid
-
reactive power control (PF 0.8…0.8)
Support for export limitation when using an external meter is implemented.
Operation with batteries
FOX ESS P3-125-Plus works with high-voltage lithium batteries:
-
battery type — LiFePO₄ (LFP)
-
voltage range — 180–950 V
-
maximum charge/discharge current — up to 240 A (80+80+80)
-
number of battery inputs — 3
-
communication interface — CAN (3 channels)
The inverter automatically interacts with the BMS and optimizes charging and discharging processes.
Backup power mode (EPS)
The inverter is equipped with an EPS function:
-
EPS power — up to 137.5 kVA
-
peak power — up to 155 kVA (10 seconds)
-
support for critical loads
-
switching time — ≤10 ms
Provides stable emergency power during grid outages.
Operation with solar panels
The inverter is equipped with an advanced MPPT system:
-
maximum PV power — up to 250 kW
-
MPPT range — 180–850 V
-
starting voltage — 180 V
-
number of MPPT — 8
-
string configuration — 2 per MPPT (up to 16 inputs)
-
maximum MPPT current — ≈40 A per tracker
Allows implementing complex PV plant schemes and operating efficiently with various panel orientations.
Safety
The inverter is equipped with a comprehensive protection system:
-
short-circuit protection
-
overvoltage protection
-
leakage current protection
-
overheat protection
-
reverse polarity protection
-
anti-islanding mode
-
power quality control (THD < 3%)
Monitoring and control
Supports modern monitoring functions:
-
interfaces: RS485, CAN, Ethernet, USB
-
remote monitoring via FoxCloud
-
connectivity: WiFi / LAN / 4G (optional)
Available:
-
generation control
-
battery monitoring
-
consumption analysis
-
remote configuration
Service features and construction
-
protection rating — IP65
-
cooling — active (fans)
-
display — color LCD
-
construction — industrial enclosure
-
rated voltage — 380/400 V, 3-phase
Features
-
hybrid operation (grid + PV + battery)
-
support for HV batteries
-
8 MPPT trackers
-
up to 3 battery ports
-
EPS mode
-
Zero Export support
-
monitoring via FoxCloud
-
high efficiency (≈98%)
-
protection rating IP65
-
system scalability
Technical specifications:
DC input (photovoltaic side)
Backup, off-grid mode
Power, W
125 000
Maximum power, W
137 500
Peak power up to 10s, W
up to 155 000 VA (10 s)
Output current, A
≈190 A / phase
Max. output current, A
≈198.5 A / phase
Max. transit current, A
up to 300 A
Output frequency, Hz
50/60
Grid type
3ph
Harmonic coefficient, %
THD
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