The General Switch Corp 100 Amp Fuse Pullout Fuse Base Block Assembly Part# 100 SPO is a high-quality electrical component designed for residential use. This fuse block is specifically designed for a maximum amperage of 100A and features a pull-out operation method for easy maintenance. With a durable construction and compatibility with AC current type, this D-Type cartridge fuse block is a reliable choice for protecting electrical circuits in a home or building.