Description: Good conductivity, great technology and high temperature resistance. Prevent excessive current, protect the Audio circuit system. Manual open circuit push button. Easy to operate with manual reset arm. No fuse change trouble. Specification: Working Votage: DC 12V-48V Current: 40A Wire Gauge: 4-8 AWG Size: Approx. 99x25x40mm/3.9x1x1.6inch Package Includes: 1 Piece Fuse Holder Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you