Adjustable Middle Clamp for Solar Panels—China Suppliers and Factory for Roof Mounting Systems
Introducing our Adjustable Middle Clamp, specifically designed for solar panels with thicknesses ranging from 30mm to 40mm. This versatile clamp is a top choice for various photovoltaic (PV) projects, ensuring secure and reliable installation. As a leading manufacturer and supplier of solar mounting solutions in China, our factory utilizes high-quality materials and innovative engineering to meet the diverse needs of the renewable energy market. Trust our Adjustable Middle Clamp for your solar panel installations and experience the difference in quality and performance
Design Features
- Designed for solar panels with thicknesses between 30mm and 40mm.
- Easy installation: much easier, faster, more convenient.
- Available in various finishes: mill, silver anodizing or black anodizing.
Specification
| Item No | AS-A-MC-SR30-40 |
| Brand | Aisinee |
| Country of Origin | China |
| Material | AL6005-T5 |
| Specs | W45*H28.3mm, Length: 50mm or (customized) |
| Surface Treatment | Anodized above 10um |
| Color | Silver or black (customized) |
| Usage | Fix between 2 modules |
| Certificate | ISO / CE / SGS / AS / NZS / JIS / ASCE7-10 |
| Service Life | 25 years |
| Guarantee Period | 20 years |
| Port of Loading | Xiamen Port, China |
| Payment Terms | 100% TT, L/C at sight |
Detail and Assembly Diagram
Detail and Assembly Diagram — Accessories of Mid Clamp

Mid Clamp
Suitable for 30–40mm thickness solar panel

SR Nut
Adaptable for all of the SR rails' top groove

Anti-theft Bolt M8X43mm

Spring Length 20mm
Installation
Solar Clamps Installation: Position → Click → Fasten
Tips:
Please be aware that the bolt cannot be squeezed into the bottom of the groove; otherwise, the clamp cannot be properly clipped into the rail.
Adjustable Middle Clamp and End Clamp Used with SR Rail:

- 1 Bolts are anti-theft bolt M8X43mm.
- 2 Mid clamp is suitable for 30–40mm thickness solar panel.
- 3 End clamp is suitable for 30–40mm thickness solar panel.
Related Accessories
Ref Study Case
Madagascar Rooftop Project
Download
Download for more detail, including Installation Manual and Product Manual.
Packaging and Shipping
| Sales Unit | Per meter / Per pcs | Package Type | ● Inner packing: wrapping paper / film ● Outer packing: wooden case |
|
| Lead Time: | ||||
| Quantity (Sets) | 1–1,000 | 1,001–5,000 | 5,001–10,000 | >10,000 |
| Working Days (UTC+8) | 1–7 | 7–10 | 10–15 | Subject to negotiation |
Frequently Asked Questions
QWhat solar panel thickness is the AS-A-MC-SR30-40 mid clamp compatible with?
The AS-A-MC-SR30-40 mid clamp is specifically designed for solar panels with frame thicknesses between 30mm and 40mm, making it suitable for most standard residential and commercial solar modules.
QWhat material is the solar mid clamp made of, and what surface treatments are available?
The mid clamp is manufactured from AL6005-T5 aluminum alloy, offering excellent strength and corrosion resistance. Surface treatments include mill finish, silver anodizing, and black anodizing, all with an anodized layer above 10μm for long-term durability.
QWhat certifications does the Aisinee solar mid clamp hold?
The product is certified to multiple international standards, including ISO, CE, SGS, AS/NZS, JIS, and ASCE7-10, ensuring compliance with global quality and safety requirements.
QHow long is the service life and guarantee period of this mid clamp?
The AS-A-MC-SR30-40 mid clamp has a designed service life of 25 years and comes with a 20-year guarantee period, reflecting Aisinee's commitment to product quality and reliability.
QWhat are the accepted payment terms and port of loading?
Accepted payment terms are 100% TT (Telegraphic Transfer) or L/C at sight. Products are shipped from Xiamen Port, China. Lead times range from 1–7 working days for small orders up to negotiated timelines for quantities exceeding 10,000 sets.
QAre customized sizes and colors available for the solar mid clamp?
Yes. The mid clamp is available in customized lengths (standard is 50mm) and customized colors (silver or black anodizing). Please contact Aisinee directly to discuss your specific project requirements and obtain a tailored quote.
Get in Touch
You can also contact us via phone, email, or social media, and we will respond as quickly as possible.
Address
Unit 301, No. 600 GuankouSouth Road, Jimei District, Xiamen,China























