The Blue Sea Class T Fuse is designed for use with Class T Fuse Blocks for circuit protection of inverters and other devices. Its high interrupt capacity is suitable for large battery banks, including Lithium-Ion and TPPL batteries. The short-circuit response is extremely fast. UL listed. Works with the Blue Sea Systems Class T Fuse Block 225 to 400A (item #1087873).• Interrupt Rating: 20, 000A @ 160V DC• Maximum Voltage: 160V DC Suitable for large battery banks Maximum Voltage Rating: 160V DC Interrupt Capacity: 20, 000 Amps | Blue Sea Systems Class T Fuse, 400A