Replacement Fuses Xantrex TB400 400-amp replacement fuse for TB400  $ 34.20 Qty  Xantrex TB300 300-amp replacement fuse for TB300  $ 34.20 Qty  Xantrex TB200 200-amp replacement fuse for TB200  $ 16.20 Qty  Xantrex TB110 110-amp replacement fuse for TB110  $ 16.20 Qty