This Crabtree consumer unit is suitable for interior usage and has a maximum amperage of 100A. It features a wall-mounted rectangular box shape with 1-5 knockouts, made of metal material. The control style is a switch and it has a variety of amperages with 8x 5A, 13x 15A, 1x 20A, and 4x 30A. It is perfect for electrical wiring applications and is a great addition to any electrical panel or distribution board.