RST 2-BULK-SHORT

Package / Case:	Radial, Box
DC Cold Resistance:	0.029 Ohms
Size / Dimension:	0.329" L x 0.157" W x 0.303" H (8.35mm x 4.00mm x 7.70mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CCC, CE, cURus, PSE, SEMKO, VDE
Melting I²t:	27
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Through Hole
Series:	RST
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	2A
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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RST 2-BULK-SHORT application field and working principle

Fuses

Fuses are one of the most basic safety components installed in industrial circuits. The main function of fuses is to protect circuits from over-voltage, over-current, and/or short-circuit conditions. Fuses are used in various industries, from domestic voltage supplies to electric power distribution networks. The RST 2-Bulk-Short line of fuses from Cooper Bussmann are specially designed for automotive applications, such as headlight, ignition, and starter protection.The RST 2-Bulk-Short is a fast-acting, dual-element fuse designated for use in automotive underhood and engine compartments. The fuse is made from a proprietary copper-alloy material, and its mechanical strength and temperature characteristics make it suitable for short-circuit protection in circuit protection devices, such as headlamps, ignition, and starter systems.The radially applied connection allows each fuse to be removed by hand and replaced with another fuse of the same type. The fuse body is marked to indicate its current-carrying capacity and whether it is to be used with 2-wire or 3-wire systems. The fuse body also has a metal strip system, which is specially designed to ensure reliable communication between the fuses and the electrical connection and enable secure connection of the fuse to the contact.The working principle of the RST 2-Bulk-Short fuse is based on the increase in current density when a fault occurs. When an electrical current of greater-than-normal magnitude flows, the heating effect from the current causes the fuse material to melt. This separation interrupts the circuit, thereby reducing the flow of current and providing over-current protection. The fuse absorbs the excessive power, preventing it from causing further damage. RST 2-Bulk-Short fuses are considered ideal for automotive applications because they can respond quickly to short-circuit current or a current surge due to accidental contact with power supply lines or ground. Additionally, the rated current capacity of the fuse is clearly marked on the fuse body, which makes it easier to select the proper current rating for the application.When incorporating an RST 2-Bulk-Short fuse into a vehicle\'s electrical system, it is important to make sure that the component is properly sized. This helps to ensure that it will safely stop excessive current from entering the electrical system. Furthermore, the fuse should be protected from dust and moisture. The protective cover should be kept locked in place when the fuse is not being replaced.In summary, the RST 2-Bulk-Short line of fuses from Cooper Bussmann are designed for automotive applications and provide excellent protection against over-voltage, over-current, and short-circuit conditions. It is important to ensure that the correct size fuse is installed to prevent potential damage to the electrical system. Additionally, the protective cover should be kept locked in place to prevent dust and moisture from gathering on the contacts.

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