FL3K15

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The FL3K15 is an electrical specialty fuse specifically designed and manufactured for the needs of industries such as defense, aerospace, transportation and power generation. The fuse is the smallest of its kind, yet is able to safely and protectively handle high currents up to 15 amperes. The fuse is a foolproof safety measure which has been considered to be 250 V class C compliant with UN38.3 and UL498 certifications.

The fuse consists of a metal alloy body with a ceramic cap and wire. It is substantially more reliable and efficient than traditional fuses as it is able to allow currents up to 15 amperes without any time-delay or nuisance tripping. The body of the fuse is constructed from nickel-plated copper, which is able to produce the reliable and durable hold required for such high current, yet remain neat and thermally stable. The ceramic cap houses a ‘heat-sensitive element’ connected to a wire, leading to the terminals of the circuit. This element is designed to break when a certain amount of heat (over a temperature range of -55°C to +150°C) is present, thereby interrupting the flow of current and protecting the circuit.

The FL3K15 is usually used in applications such as portable and onboard power supplies, where transient overvoltage events may occur, or in military applications, where high currents can be expected. Furthermore, its 250 V class C compliance opens up potential applications for switchgear including air conditioning systems, data centers, outdoor lighting or elevators.

The FL3K15 is also highly reliable and efficient as it is able to detect a minimum voltage drop of 50V. It is a single pole, single throw (SPST) fuse, with the capacity to stop an overload current instantly and securely. The UL and UN certifications confirm that the fuse meets the required standards for safety and durability. It is also a very cost-effective solution, as its size and weight are nominal, making it easy to install and transport.

The FL3K15 is designed to provide safe and reliable overvoltage protection, ensuring the protection of valuable circuits and equipment. Furthermore, it is a simpler and more efficient way to protect circuits from transient overvoltage events. The FL3K15 is able to allow large currents but can instantly signal a problem, either with an audible signal, a remote indicator or even a control system.

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