The ACBP4-PL-20A is a UNIVAL automotive blade fuse manufactured by Optifuse. It has a 20A current rating, 14VDC operating voltage, and is 19.2mm in length. It is designed to protect the electrical system from short circuits, overloads, and voltage spikes. The fuse is made of a high-temperature plastic body material and contains metal tab connectors for fast and easy insertion in a fuse box. The ACBP4-PL-20A fuse is rated for use in cars, trucks, boats, recreational vehicles, and other vehicles.