Factory wholesale Poly-crystalline Solar Panel 250W Holland Importers
Short Description:
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Poly-crystalline Solar Panel 250W
Technical parameter
Maximum Power(W) 250W
Optimum Power Voltage(Vmp) 30.25V
Optimum Operating Current(Imp) 8.26A
Open Circuit Voltage(Voc) 36.61V
Short Circuit Current(Isc) 8.89A
Mechanical Characteristics
Cell Type Polycrystalline 156x156mm (6 inch)
No of Cell 60 (6x10pcs)
Dimensions 1640x990x40mm
Weight 18.5KGS
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Junction box IP65 Rated
Output Cable TUV 1×4.0mm2/UL12AWG,Length:900mm
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 15A
Temperature Coefficients of Pmax: -0.47%
Temperature Coefficients of Voc: -0.389%
Temperature Coefficients of Isc: 0.057%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Polycrystalline solar cell 156*156mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
The Wireless Okapi Models that work with the Okapi Apps: Buy them from our website!
http://www.greenhillenvirotechnologies.com
*Get your Okapi Solar Calculator App from Google Play!*
https://play.google.com/store/apps/details?id=com.greenhillenvirotechnologies.androidsolarairheatercalculator
We have written a Comprehensive and Not Boring “Guide”, (including a list of materials, diagrams, important steps of construction and a little humor,) for this solar furnace design. You may view this free “Guide” here: http://www.greenhillenvirotechnologies.com/about-closed-loop-solar-air-heaters/guide-to-build-your-diy-solar-air-heater
Be the first to truly demonstrate the performance of your solar heater.
Make the Next Generation Proud!
To find out more about how solar panels can reduce your energy bills, visit our website at http://www.scottishsolaruk.co.uk/best-monocrystalline-panels
Installing solar panels gives you a way to cut your electricity costs and save money at the same time.
The feed in tariff scheme which you are entitled to claim when installing solar panels is also one of the safest ways for you to generate an income.
Just look at what one of our customers has to say :-
“We are writing regarding the recent installation of solar panels at our home which you installed last week.
I would like to thank both crews who came to do the installation, they were both very professional and the roofing crew who installed the panels worked in dreadful weather and well into the evening to complete the job, the electricians who came the next day were so thorough and professional they were all well presented and clean and tidy and cleaned up after them. You wouldn’t have known there had been any work done when they finished. All your employees exceeded our expectations as has the solar installation.We have already generated over 70 kilowatts in 5 days, we cannot begin to imagine the savings over the lifetime of the system.Solar installation is definately the way forward, and I hope that Scottish Solar continues to provide this excellent service for many years to come”
