FNA-12

Response Time:	Slow
Package / Case:	Cylindrical, Alarm Indicating
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	10kA
Operating Temperature:	--
Approvals:	CE, CSA, UL
Class:	--
Features:	Indicating
Applications:	Electrical, Industrial
Series:	FNA
Voltage Rating - AC:	125V
Current Rating:	12A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The FNA-12 is a specialized fuse designed to provide circuit protection from over-current and short-circuit faults for various electrical and electronic applications. It is part of a family of products known as Specialty Fuses, which offer specialty circuit protection solutions for specialty applications.

Application Field

The FNA-12 can be used in a wide variety of electrical and electronic applications. This includes power supply systems, communications equipment, consumer electronics, industrial automation systems, and automobile electronics. It is commonly used for protection of automotive electronics, such as ECUs, ABS systems, and lighting control modules. It can also be used to protect computers and other office equipment.The FNA-12 has a rating of up to 12A, and is available in a range of sizes and formats. It is also UL Recognized and CSA Certified for safety performance.

Working Principle

The FNA-12 is a thermal-magnetic type fuse, which means that it has both a thermal (or time-delay) element and a magnetic (or fast-acting) element. The thermal element is designed to respond to gradual over-current conditions. It responds to a sustained level of current, and does not respond to momentary peaks.The magnetic element is designed to react to instantaneous overload or short circuit conditions. It responds to high peak currents, and does not respond to sustained currents.The FNA-12 will open the circuit when either the thermal element or the magnetic element reaches its response limit. This means that it can protect against both sustained and peak short-circuit or over-current conditions. It is also designed to remain open, even after the fault condition has cleared, to ensure that the circuit remains safe.

Conclusion

The FNA-12 is an excellent choice for a variety of specialty circuit protection applications. It has a high current rating, is available in a variety of sizes and formats, and is UL Recognized and CSA Certified for safety performance. Its thermal-magnetic design means that it can protect against both sustained and peak over-current conditions, and it is designed to remain open even after the fault has cleared. This makes the FNA-12 an excellent choice for ensuring safe and reliable electrical operation.

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