SVOPES Solar PV Combiner Box. Maximize Efficiency and Protection for Your Solar System. The SVOPES Solar PV Combiner Box is the ideal solution for optimizing the connections between your solar panels and inverters. Featuring IP65-rated dust and water protection, lightning protection, and high-quality 15 Amp fuses, it supports both grid-tied and off-grid solar power systems. Constructed from premium ABS material, it ensures long-lasting durability and easy maintenance for your solar setup. Robust and Long-Lasting Durability, IP65 Dust and Waterproof Protection, Continuous 24/7 Lightning Protection, Simplified and Fast Installation. Material: Acrylonitrile Butadiene Styrene (ABS).