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Solax Solar Inverter FORTH 125000W X3-FTH-125K-G2 Three-phase

Modelo: X3-FTH-125K-G2

Sku: SOLXINV052
Vendor: Solax

€5.005,61 EUR

€4.004,49 EUR

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Solax FORTH 125000W X3-FTH-125K-G2 Three-phase Solar Inverter with 12 MPPT (32 A) and IP66. Efficiency 98.6%, PV 150% (≈187.5 kWp), AC overload 110%, I-V diagnosis and SPD Type II. Designed for large-scale industrial plants.

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Specifications

Product Description

The Solax FORTH 125000W X3-FTH-125K-G2 Three-phase Solar Inverter is the highest power model in the FORTH G2 series for grid connection. Designed for large industrial rooftops and ground-mounted plants, it combines high-performance electronics with 12 independent MPP trackers, IP66 enclosure, and intelligent active ventilation to operate reliably in demanding climates. Its high efficiency of 98.6%, I-V diagnosis, and string-level current reading reduce LCOE and simplify O&M throughout the project’s lifetime.

Main Features

12 MPPT with 2 inputs per tracker (24 strings) to minimize losses due to mismatch and partial shading.
Max. efficiency 98.6% and THDi <3%: more kWh injected with grid quality.
150% PV oversizing (up to ≈187.5 kWp) and 110% AC overload to take advantage of peak irradiation.
MPPT range 180–1000 V; max. PV voltage 1100 V; current per MPPT 32 A (Isc 46 A).
IP66 protection, SPD Type II on DC/AC (Type I+II option), and optional AFCI for industrial safety.
Intelligent I-V curve diagnosis, global MPP scan, and string-level current reading for agile O&M.

Advantages or Benefits

Superior production: 12 MPPT allow for optimized string design on complex rooftops and modular plants.
Lower operating costs thanks to rapid detection of soiling, PID, or module faults via I-V and string-level measurement.
Engineering flexibility: integrated export control, reactive power also at night, and wide voltage/frequency range.
High availability: intelligent fan cooling and thermal design maintain rated power at high temperatures (derating only under extreme conditions).
Simple integration with SCADA platforms and Solax Cloud with remote configuration and updates.

Purpose or Applications

Aimed at large commercial and industrial installations, logistics rooftops, agrivoltaics, and high-performance carports. Suitable for projects in 125 kW blocks requiring detailed string-level monitoring, strict export limits, and compliance with international grid codes.

Technical Specifications

Nominal AC power	125 kW
Max. apparent power (overload)	≈137.5 kVA (110%)
AC connection	3/N/PE, 220/380 V or 230/400 V (typical range 304–480 V)
Frequency	50/60 Hz (±5)
MPPT / Strings	12 / 24 (2 per MPPT)
MPPT range	180–1000 V
Max. PV voltage / startup	1100 V / 200 V
Current per MPPT	32 A (Isc 46 A)
PV oversizing	150% (≈187.5 kWp recommended)
Efficiency	98.6% max.; THDi <3%; adjustable PF (0.8 leading to 0.8 lagging)
Protections	IP66; SPD Type II DC/AC (Type I+II opt.); anti-islanding; RCMU; optional AFCI
Grid functions	Zero export; reactive power control also in night mode
Communications	RS485, USB, DRM; Pocket WiFi/LAN/4G modules; optional PLC; Solax Cloud
Dimensions / Weight	≈985 × 660 × 327.5 mm / —
Environment	−30 to 60 °C (derating >45 °C); altitude up to 4000 m (derating >3000 m)

Compatibilities

Compatible with Solax meter/CT for zero export, Pocket communication modules (WiFi/LAN/4G), PLC option, and Solax Cloud monitoring platform. AC aluminum cable connection is suitable according to manufacturer’s specification.

The Solax FORTH X3-FTH-125K-G2 is the professional solution for large-scale solar plants seeking maximum efficiency, IP66 safety, and intelligent O&M with I-V diagnosis and string-level reading.