The 150 Series is an in-line holder manufactured by Littelfuse.
This electrical fuseholder has a fuse type of 3AG/3AB measuring 6.3x32mm. It has a maximum current rate of 5A at 250V for 2AG fuse size, and 10A at 250V for 5 × 20mm fuse size. It operates within a temperature range of –40ºC to +80ºC.