30A Blade Fuse Holder with Failure Lamp - Water Resistant
This fuse holders holds ordinary blade fuses like tthose in vehicles.
It has a led  lamp that will light up when the fuse blows, making it easy to find the offending fuse. This is especially useful if the fuse is in a difficult or crowded location. They are supplied with 110mm leads and available to suit standard blade and mini-blade fuses.

• 30A max rating
• For circuits up to 32VDC