Bussmann S-15 15 Amp Type S Time-Delay Dual-Element Plug Fuse Rejection Base Quantity: 4 Pack 15A Type S Plug Fuse Non Tamp, Time Delay Fustat Heavy Duty Size Rejecting Plug Fuse Use to protect critical motor circuits or motors that cycle on/off frequently Features non-interchangeable body An industrial/commercial grade product with dual-element construction This fuse threads into SA adaptors