Ampere rating is an electrical current value given to every fuse. This value is the allowable current which can flow continuously through the fuse under specified conditions. This value can also be referred to as current-carrying capacity or ampacity. Refer to the NEC (National Electrical Code) requirements when selecting a particular fuse for a circuit.

The following is some examples of part numbers and where the current rating (amp) is listed.

FRN-R-(amp); FRS-R-(amp); TR(amp)R; TRS(amp)R; FLNR-(amp); FLSR-(amp); LPN-RK-(amp) LLNRK-(amp); KTK-R-(amp); FNQ-R-(amp); ATQR(amp); ATMR(amp); LP-CC-(amp) A2D(amp)R; A6D(amp)R; LPJ-(amp)SP; AJT(amp); JKS-(amp); FNM-(amp); FLM-(amp); MDL (amp); AGC (amp); 313(amp); 233(amp); FWH-(amp); A50P(amp); A25X(amp).