Pre-wired Solar Combiner Box - 2-String Fused Solar Panel Combiner Model For 2-String Connection Continuous Duty Rated at 600V DC, 25A Max Input Per String Touch-safe Solar (DC Rated) Fuse Holders - Fuses Not Included NEMA 3R, Painted Steel Box - Pre-wired With Standard MC4 Connectors Uses Standard 10 x 38mm Fuses