Monocrystalline silicon photovoltaic module ST-350 Pro
PERCIEC 61730IEC 61215

Monocrystalline silicon photovoltaic module - ST-350 Pro - Helios Renewables - PERC / IEC 61730 / IEC 61215
Monocrystalline silicon photovoltaic module - ST-350 Pro - Helios Renewables - PERC / IEC 61730 / IEC 61215
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Characteristics

Technology
monocrystalline silicon
Cell architecture
PERC
Certifications
IEC 61730, IEC 61215
Other characteristics
high-efficiency
Peak power (Wp)

Max.: 400 W
(0.54 hp)

Min.: 400 W
(0.54 hp)

Module efficiency

Max.: 22.8 %

Min.: 22.8 %

Lenght

Max.: 1,755 mm
(69 in)

Min.: 1,755 mm
(69 in)

Width

Max.: 1,038 mm
(41 in)

Min.: 1,038 mm
(41 in)

Height

Max.: 35 mm
(1 in)

Min.: 35 mm
(1 in)

Description

Product overview
The ST-400 Pro is a solar panel based on latest-generation monocrystalline PERC cells. It delivers a nominal power of 400 Wp and a conversion efficiency of 22.8%. Intended for industrial and commercial installations, it features a 25-year warranty and international safety certifications for reliable operation.

Key features
  • Power output: 400 Wp
  • Efficiency: 22.8%
  • Cell technology: Latest-generation monocrystalline PERC cells
  • Dimensions: 1755 × 1038 × 35 mm
  • Warranty: 25 years
  • Anti-reflective coating for optimal absorption
  • Enhanced resistance to extreme weather conditions
  • Certifications: IEC 61215, IEC 61730
  • Compatibility: Compatible with all types of inverters
  • Installation: Integrated mounting system for faster assembly


Advantages
  • High-efficiency monocrystalline PERC cells for improved energy yield
  • Designed for durability in extreme environmental conditions
  • Anti-reflective coating increases effective irradiation capture
  • Compliant with IEC 61215 and IEC 61730 safety and performance standards
  • Plug-and-play compatibility with common inverter types
  • Reduced installation time thanks to integrated mounting system


Comparison
Model | Power | Efficiency | Warranty | Range
ST-400 Pro — 400 Wp — 22.8% — 25 years — ★★★
ST-350 Standard — 350 Wp — 20.5% — 20 years — ★★
ST-300 Eco — 300 Wp — 18.9% — 15 years — ★

Technical specifications
  • Model: ST-400 Pro
  • Power: 400 Wp
  • Efficiency: 22.8%
  • Dimensions: 1755 × 1038 × 35 mm
  • Warranty: 25 years
  • Cell type: Monocrystalline PERC
  • Coating: Anti-reflective coating
  • Certifications: IEC 61215, IEC 61730
  • Compatibility: Compatible with all types of inverters
  • Installation: Integrated mounting system
  • Designed for: Enhanced resistance to extreme weather conditions

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.