
High-Efficiency Monocrystalline PV Modules
Products
SIL-400 NU
72 Cell – Silver
Industry Leading Warranty
All our products include an industry leading 25-year product workmanship and 30-year performance warranty.
35+ Years of Solar Innovation
Leveraging over 35+ years of worldwide experience in the solar industry, Silfab is dedicated to superior manufacturing processes and innovations such as Bifacial and Back Contact technologies, to ensure our partners have the latest in solar innovation.
Quality Matters
Utilizing premium quality materials and strict quality control management, Silfab is the industry leader in delivering the highest efficiency, premium quality PV modules.

Technical Specifications
Electrical Specifications | SIL-400 NU | ||
---|---|---|---|
Test Conditions | STC | NOCT | |
Module Power (Pmax) | Wp | 400 | 291.3 |
Maximum power voltage (Vpmax) | V | 40.0 | 36.6 |
Maximum power current (Ipmax) | A | 10.1 | 8.0 |
Open circuit voltage (Voc) | V | 48.7 | 44.8 |
Short circuit current (Isc) | A | 10.5 | 8.3 |
Module efficiency | % | 19.6 | 17.9 |
Maximum system voltage (VDC) | V | 1500 | 1500 |
Series fuse rating | A | 20 | 20 |
Power Tolerance | Wp | 0 to +10 | 0 to +10 |
Measurement conditions: STC 1000 W/m² • AM 1.5 • Temperature 25 °C • NOCT 800 W/m² • AM 1.5 • Measurement uncertainty ≤ 3% • Sun simulator calibration reference modules from Fraunhofer Institute. Electrical characteristics may vary by ±5% and power by 0 to +10W. |
Temperature Ratings | |
---|---|
Temperature Coefficient Isc | 0.03 %/°C |
Temperature Coefficient Voc | -0.3 %/°C |
Temperature Coefficient Pmax | -0.38 %/°C |
NOCT (± 2°C) | 44 °C |
Operating temperature | -40/+85 °C |
Mechanical Properties and Components | ||
---|---|---|
Metric | Imperial | |
Module weight (± 1 kg) | 22 kg ±0.3 kg | 48.5 ±0.6 lbs |
Dimensions (H x L x D; ± 1mm) | 2026 mm x 1006 mm x 38 mm | 79.8 in x 39.6 in x 1.5 in |
Maximum surface load (wind/snow) | 2400 Pa rear load / 5400 Pa front load N/m2 | 50.13/112.8 lb/ft^2 |
Hail impact resistance | ø 25 mm at 83 km/h | ø 1 in @ 51.6 mph |
Cells | 72 - Si mono PERC - 5 busbar 158.75 x 158.75 mm | 72 - Si mono PERC - 5 busbar 6.25 x 6.25 Inch |
Glass | 3.2 mm high transmittance, tempered, DSM anti-reflective coating | 0.126 in high transmittance, tempered, DSM anti-reflective coating |
Backsheet | Highly reflective white backsheet, high durability, superior hydrolysis and UV resistance, multi-layer dielectric film, fluorine-free PV backsheet | Highly reflective white backsheet, high durability, superior hydrolysis and UV resistance, multi-layer dielectric film, fluorine-free PV backsheet |
Frame | Anodized Aluminum (Silver) | Anodized Aluminum (Silver) |
Bypass diodes | 3 diodes-30SQ045T (45V max DC blocking voltage, 30A max forward rectified current) | 3 diodes-30SQ045T (45V max DC blocking voltage, 30A max forward rectified current) |
Cables and connectors | 1200 mm, ø 5.7 mm, MC4 from Staubli | ø 0.22 in (12AWG), MC4 from Staubli |
Junction Box | UL 3730 Certified, IEC 62790 Certified, IP67 rated | UL 3730 Certified, IEC 62790 Certified, IP67 rated |
Warranty | |
---|---|
Module product workmanship warranty | 12 years* |
Linear power performance guarantee | 30 years |
*12 year extendable to 25 years subject to registration and conditions outlined under “Warranty” at www.silfabsolar.com. |
Certifications | |
---|---|
Product | ULC ORD C1703, UL1703, CEC listed, UL 61215-1/-1-1/-2, UL 61730-1/-2, IEC 61215-1/-1-1/-2***. IEC 61730-1/-2***, CSA C22.2#61730-1/-2, IEC 62716 Ammonia Corrosion; IEC61701:2011 Salt Mist Corrosion Certifed, UL Fire Rating: Type 1 ***Certification in progress. IEC 61730/61215 |
Factory | ISO9001:2015 |
Modules Per Pallet | Pallets Per Truck | Modules Per Truck |
---|---|---|
Option A - Horizontal | ||
25 | 30 | 750 |
Option B - Vertical | ||
27 | 28 | 756 |
