The Popular Rail for Roof and Ground Mounting Systems | Sic-solar.com
Generally, the rails are Aluminum rail, and due to their shapes, they are used with different mid/end clamp and screw. As below two rails, SIC-RA and SIC-R0 , both of them are used with SIC-IC / EC and tilt-in module. And below two rails ( SIC-R2 and SIC-R3 )are used with SIC-IC-P which can be pressed into the rail directly and the hexagon bolt. The two rails are rather popular in European market.