AIMS Power ANL500KIT Inline Fuse Kit, Includes fuse holder and 500 amp fuse, Compatible with 12, 24 or 48 VDC systems, Can be connected in parallel, Works with 12,000 watt inverters or smaller or up to 500 amps DC Includes fuse holder and 500 amp fuse Compatible with 12, 24 or 48 Volt DC systems Can be connected in parallel for larger applications. Connects to positive side of battery. Works with 12,000 inverters or smaller but based on DC amps Included cover protects conductive areas from accidental shorts complying with ABYC/USCG requirements.