0304.080HR Circuit Protection

Applications:	Hazardous Locations
Melting I²t:	0.00035
Size / Dimension:	0.538" L x 0.237" W x 0.244" H (13.67mm x 6.03mm x 6.19mm)
Package / Case:	2-SMD, J-Lead
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	1.5kA
Operating Temperature:	-40°C ~ 60°C
Approvals:	cURus, EX
Class:	--
Features:	Intrinsically Safe
Series:	PICO® 304
Response Time:	--
Voltage Rating - DC:	277V
Voltage Rating - AC:	277V
Current Rating:	80mA
Fuse Type:	Board Mount
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction of 0304.080HR

The 0304.080HR is an electrical specialty fuse that is primarily used for applications in the low voltage range. It is ideal for use in high amperage circuits, such as those found in industrial settings. This fuse features a current rating of up to 80A, and can be used up to a voltage rating of 250V. This fuse is designed for use in a variety of applications, including overcurrent protection in electrical circuits, motor protection, as well as protection of sensitive electronics.

Construction of 0304.080HR

The 0304.080HR is a cylindrical device with a threaded base. The threaded base allows the fuse to be easily and securely attached to a mounting plate or other similar device. The body of the fuse is made of an aluminum alloy and contains a copper-based fuse element. The fuse element is composed of a conductor that is surrounded by a ceramic element and further protected by an epoxy coating. The fuse element is connected to two stainless steel plates that help to contain the current in the event of an overload or a short circuit.

Application Field of 0304.080HR

The 0304.080HR is typically used in low voltage applications, including those found in industrial, commercial, and residential settings. This fuse can be used as overcurrent protection in various circuits, as motor protection, and as protection for sensitive electronics. Due to its robust construction and high current rating, it is suitable for use in applications requiring reliable protection from current overloads and short circuits.

Working Principle of 0304.080HR

When a current that exceeds the rated amperage of the 0304.080HR flows through the fuse, it causes the fuse element to heat up. This then triggers a thermal reaction that creates a gap in the fuse element, breaking the circuit and preventing further current flow until the cause of the overload is resolved. The stainless steel plates on either side of the fuse element also help to contain the current in the event of a short circuit, thereby protecting both the circuit and the device connected to it.

Conclusion

The 0304.080HR is an electrical specialty fuse that is suitable for use in low voltage applications. Its robust construction and high amperage rating make it well-suited for use in commercial, residential, and industrial settings. It can be used in a variety of applications, including overcurrent protection, motor protection, and protection of sensitive electronics. In the event of an overload or a short circuit, the fuse activates and prevents further current flow until the issue is addressed.

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