The 3005109 is a 2-position 1-level black Fused Modular Terminal Block for 5 x 20mm G cartridge fuse insert. This UK 10-DREHSI (5X20) terminal block has a polyamide insulator and the M4 screw connection. Quick identification of faulty fuses regardless of the current direction thanks to LED status indicator. It accepts 24 to 6AWG wire range.