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Bussmann's RK5 40A FRN-R Series fuses are designed for moderate current limitation in general use applications where more current-limiting RK1 fuses are not needed. These fuses have a time delay function and an interrupting rating of 200kA, making them ideal for protecting electrical circuits from short circuits and overloads. Their non-indicating feature ensures that they will not be affected by temporary inrush currents, preventing nuisance blowouts during startup. With their rejection feature, these fuses are sure to provide a safe and reliable solution for your electrical needs. They are suitable for use in new equipment as well as older installations and have a standard size that allows for easy installation in most fuse holders. Upgrade your electrical protection today with Bussmann's RK5 40A FRN-R Series fuses!