Eaton Bussmann series Class T modular fuse block, CR, 300 Vac/Vdc or Less Control Systems, 300 Vac/Vdc or Less Individual Control Circuits, 31-60 A, Two-pole, Class T, 200 kA, Box lug, 200 kAIC, Glass polyester, 300 Vac/dc, #2 AWG Cu/Al