Cooper Bussmann Europe 63ENSF BLK 63A Safeloc HRC fuse holder to use with BS88 fuse links for bolted panel mounting or DIN rail. Unique slide/snap action carrier which eliminates the need for fuse carrier contacts. Low power loss and increased reliability due to the design of the carrier that provides positive stress free fitting of fuse and locates position of the fuse. Protection against electrical shock. Base contacts are fully shrouded. Easy and fast access to the contact terminal screw due to simple sliding retained shrouds.