This 3000 Watt Inverter Installation Kit is for large power Inverters. Includes 400 amp slow burn fuse for up to 3000 Watt power inverters. Contains a pair of 8 ft. heavy duty 4/0 cables and a 400 amp fuse assembly that is used to connect the inverter to the battery bank. The fuse protects your equipment in the event of a battery short-circuit and the cables provide a safe and easy plug and play connection. This kit is used to connect up to a 3000 watt power Inverter to the batteries allowing 8 ft. in distance.