80416300440

Package / Case:	Radial, Box
DC Cold Resistance:	0.01 Ohms
Size / Dimension:	0.488" L x 0.252" W x 0.362" H (12.40mm x 6.40mm x 9.20mm)
Color:	--
Operating Temperature:	-40°C ~ 125°C
Approvals:	CQC, KC, PSE, UL, VDE
Melting I²t:	1096
Breaking Capacity @ Rated Voltage:	150A
Mounting Type:	Through Hole
Series:	804
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	6.3A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses

Fuses are electrical safety devices which are designed to protect an electrical circuit by interrupting the flow of electric current when it exceeds a predetermined level. One of the oldest and most commonly used fuses used in industrial applications is the 80416300440 series. This article will explain the application field and working principle of this particular type of fuse.

Application Field

The 80416300440 series fuses are primarily used in medium voltage applications, such as industrial machinery, power supplies and other high current applications. The range of current that these fuses are designed for is 10 to 600 amperes. These fuses can be used in both AC and DC circuits.

Working Principle

The 80416300440 fuse has a two-part construction, consisting of a thermal element and an arc chamber. The thermal element is made up of a copper element, which is attached to a ceramic or plastic insulator. The arc chamber is filled with a compound, such as zinc oxide, which is designed to absorb and dissipate the heat generated by the large amounts of current flowing through the fuse.When the current passing through the fuse exceeds the set limit, the heat generated causes the thermal element to expand, breaking the arc chamber and interrupting the flow of current. This interrupts the current flow, preventing further damage to the circuit and protecting other components from electrical shock. The fuse will also have a physical indication that it has been activated, allowing the user to quickly identify and replace the fuse.

Conclusion

The 80416300440 series fuse is a popular type of fuse used in many medium voltage applications due to its steadfast performance and dependability. It utilizes a two-part construction and a thermal element to detect and interrupt an excessive flow of current, protecting the electrical circuit and components from further damage.

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