40-amp Type Non Cartridge Fuse, 2-pk.

The Cooper Bussmann 40 amp Brass Cartridge Fuses are non-current limiting fuses with a class k5 listing. The 1-time fuses are designed for use in light-duty, general-purpose circuit applications. The cartridges are rated for up to 250 volt and are CSA and UL listed. Protect lighting, heating and other circuits not subject to temporary surges and where available short-circuit currents are relatively lowNon one-time fuses do not have any appreciable degree of time delay and thus should not be specified in circuits where large transients or motor overloads occurFor general purpose circuits, size at amp rating of circuitFor motor circuits, size at 300 percent to 400 percent according to the nec motor ampacity tables 430.247 to 430.250, per 430.6 (A)(1)250 volts2 per card3" x 13/16"40 amp