BK/FMM-20

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Fuses are protection devices, typically consisting of small metal wires that have links that burn when current flow is too high. The purpose of a fuse is to protect power supplies, circuits and equipment against overloads or short circuits.

The BK/FMM-20 is a fuse designed for low-voltage applications. It has a nominal voltage rating of 250V and a continuous current rating of 20A. Its materials are in accordance with UL 94V-0.

The BK/FMM-20 is designed for overcurrent protection. It has a one-time operation with auto-reset function and has the ability to resist surge current. This allows it to provide reliable and secure protection in circuits of all types. Its time-current characteristic means that it will open and interrupt the circuit in a fraction of a second should an overcurrent flow occur, thus protecting the circuits from at least moderate overcurrents.

The BK/FMM-20 has a wide range of applications. It is designed for use in household electrical appliances, automobiles and other low-voltage applications. It is ideal for surge control and overload protection of circuits that carry large currents, such as electric motor circuits, AC contacts and even the switching of AC loads. It can be used in overload protection circuits, short circuit protection circuits, overcurrent protection circuits, and flame-retardant protection circuits.

The BK/FMM-20 fuse works by introducing a resistance to the current flow until a predetermined threshold is reached. When the current exceeds the predefined limit, then the fuse melts which interrupts the circuit. This effectively prevents damage to the circuits and components due to excessive current flow. The time-current characteristics also ensure that transient short-term surges are taken care of without tripping out the fuse.

The BK/FMM-20 fuse is an excellent choice for applications that require reliable and secure protection. Its low voltage and current ratings allows it to be used in a wide range of applications, while its time-current characteristic ensures that it is capable of protecting against both overloads and short circuits.

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