Ensure optimal safety and long-term performance for your solar projects at elevation with LETOP combiner boxes engineered for low pressure, high UV, and temperature extremes.
Solar installations in high altitude regions, such as mountain ranges and elevated plateaus, face unique environmental conditions. Lower air pressure reduces convective cooling efficiency and decreases the dielectric strength of air, impacting both thermal performance and electrical safety margins. Intensified UV radiation accelerates material degradation, while large diurnal temperature swings stress seals and components.
If you don’t properly address these factors in equipment design, they can lead to component overheating, increased risk of electrical faults, premature material failure, and reduced system lifespan.
LETOP provides solar combiner boxes specifically designed to operate reliably at high altitudes. We focus on robust, UV-resistant materials, designs considering thermal management in thin air, and maintaining electrical safety integrity under reduced atmospheric pressure.
Designs consider reduced air density. Even with less effective convection, component layout and potential enclosure sizing help heat dissipation. We use components rated for higher operating temperatures.
The key design consideration is to maintain safe creepage and clearance distances that are suitable for reducing air dielectric strength at altitude. Especially for our 1000V/1500V systems, we use high-quality insulation materials (Class II).
Use UV-stabilized materials (specific grades of Polycarbonate) or inherently UV-resistant materials (Stainless Steel).
Durable gasketing materials and robust enclosure construction are tough enough to withstand big temperature shifts and keep the IP ratings intact.
IP65/IP66 high IP ratings prevent moisture ingress. To keep condensation buildup during quick temperature drops, we add breather drains/vents.
Our high-quality construction and components ensure dependable operation in potentially remote or difficult-to-service high-altitude locations.
We understand that every solar project is unique. Find the perfect LETOP combiner box solution organized by what matters most to you.
(Note: Final wind load certification often depends on the mounting method and structure, consult local codes).
Stainless Steel (Grade 304/316L recommended) or **High-Strength PC/ABS**.
Heavy-duty latches or multi-point locking systems to ensure seal compression under wind pressure.
High-quality gaskets designed to withstand pressure differentials and environmental exposure.
Integrated flanges or reinforced points for secure structural attachment.
As an exclusive partner of engineering installers and electrical wholesalers, LETOP takes modular design + flexible supply chain as the core to help you quickly respond to end-customer needs and seize the opportunities in the residential and industrial and commercial photovoltaic markets.
4-16 Strings, 1000V DC, IP65 Polycarbonate, MC4 Connectors/Cable Glands. Popular choice for rooftop solar.
12-24 Strings, 1000V/1500V DC, IP65 GRP Enclosure. Durable solution for C&I and small utility.
Up to 6 Strings, 500V DC, IP65. Or highlight key components like DC Breakers/SPDs. Essential for specific markets or component sales.
Don’t leave your solar system vulnerable to hurricanes. Invest in the proven resilience of LETOP combiner boxes, engineered for extreme weather. Get a quote for robust solutions designed for high-wind, high-impact environments.
Here you can find some of your common questions related to this topic, which can help answer your doubts.
In order to provide an accurate quote, we need to know your desired product model, quantity, customization options (e.g. branding, printing, packaging, etc.), and any specific technical requirements.
We are happy to provide FREE samples. You only need to provide the courier account number or pay the shipping cost to get FREE samples for testing. Please contact our sales team for more details.
Our MOQ is according to the product and customized service. Please check services. You can also consult our expert team.
Yes, we offer discounts for high volume orders. The discount rate depends on the size of the order and the complexity of the customized service. Please consult our team of experts for specific information.
Our standard delivery time is 7-10 days based on 200 pieces. Specific delivery time will vary according to your order size, degree of customization and our production plan. We will provide an estimated delivery time when quoting.
Yes, we offer custom packaging services including brand printing, custom packaging and design to meet your specific needs. For more details, please visit Services. Or contact our technical team to discuss your needs.
We offer custom development services to meet your specific needs. Please see services for more details. Please contact our technical team to discuss your requirements.
T/T payment terms. We can also provide local collection accounts. Please consult our service team for details.
We provide comprehensive after-sales services, including product consulting, technical support and warranty services. Our professional team is ready to help solve your problems.
If no relevant issues are found, please contact us, E-mail:info@letopv.com.
If you have any questions, please contact us and we will reply within 24 hours.
No. 19, Fenjin Road, Dongfeng Industrial Zone, Yueqing, Wenzhou, China 325604
info@letopv.com
+86-13175631986
