K2 Systems CrossRail Flat EndCap, CR 48-X,48-XL

K2 Systems CrossRail Flat EndCap, CR 48-X,48-XL

The CrossRail Flat EndCap for CR 48‑X and 48‑XL is a simple yet effective finishing accessory designed to cap the open ends of CrossRail 48‑X or 48‑XL aluminum rails in solar photovoltaic (PV) mounting systems. It provides a clean, finished appearance at the ends of rails and helps protect the interior of the rail from debris while improving the overall aesthetics of the array.

• Model/Type: 4000431
• Finish: Black
• Included Hardware: 1 × CrossRail Flat EndCap
• Durable & Certified: Made from glass‑fiber reinforced polyamide (plastic), this end cap is engineered to withstand outdoor environments common to solar installations. The reinforcement gives it strength and stability for long‑term use.
• Water Protection & Fit: The material resists exposure to UV, moisture, and temperature cycling without degrading quickly, helping the cap maintain form and attachment over time.