BK/1A3399-12

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Fuseholders

When it comes to the reliable protection of electrical circuits, fuseholders are a must-have component. The BK/1A3399-12 fuseholder is a type of Class I fuseholder designed for use with 3AG size fuses. Available in several panel mount versions with different operating voltages, this reliable DC fuseholder provides the perfect solution for both indoor and outdoor applications.

Application

The BK/1A3399-12 fuseholder can accommodate a wide variety of 3AG size fuses in both standard and flameproof enclosures. It is typically used in a range of field assemblies, such as automotive, military, and heavy truck applications. It is also widely employed in AC/DC power distribution, control, and instrumentation systems, as well as in industrial and consumer applications. Additionally, the fuseholder’s rugged construction makes it suitable for operation in harsh environments, such as high-vibration areas or areas with high dust or moisture levels.

Working Principle

Basically, the BK/1A3399-12 fuseholder works similarly to any other fuseholder. It consists of a metal mounting housing, an electrically insulated fuse block, and a fuse carrier. The metal mounting housing features lugs or studs for attaching wires to it. The fuse carrier is located within the fuse block and has contacts that make electrical contact with the fuse. When the fuses protecting the circuits are overloaded, the fuse melts, thus disconnecting the circuit and protecting it from further damage.

The BK/1A3399-12 fuseholder can also be used in redundant applications. In these systems, two fuses — usually of different ratings — are wired in parallel. If one fuse fails, the other one will immediately take over before any damage occurs. This type of redundancy enhances the protection of circuits even further.

Conclusion

The BK/1A3399-12 fuseholder is a Class I fuseholder designed for use with 3AG size fuses and is a highly reliable component for AC/DC power distribution, control, and instrumentation systems. It is also suitable for harsh environments due to its rugged construction, and for redundant applications using two different fuse ratings in parallel. In conclusion, the BK/1A3399-12 is the perfect solution for a wide variety of electrical protection applications.

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