Grape Solar 20 Amp MC4-Comparable PV Solar Waterproof In-Line Fuse Holder with Fuse

The Grape Solar 20 Amp inline fuse can connect directly to your panel's MC4-comparable positive output. Weatherproof housing for all types of use. Prevents large currents from damaging panels or controllers. The ease of plug and play combined with UL-Listed protection for your system.