3ABP 100

Package / Case:	3AB, 3AG, 1/4" x 1-1/4" (Axial)
DC Cold Resistance:	12.5 Ohms
Size / Dimension:	0.272" Dia x 1.280" L (6.90mm x 32.50mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, PSE, UL
Melting I²t:	0.002
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	3ABP
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	100mA
Fuse Type:	Cartridge, Ceramic
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: 3ABP 100 Application Field and Working Principle

Fuses are widely used in many applications to safeguard electrical circuit breakers from extreme voltage or current overloads. The 3ABP 100 is a type of fuse - specifically a "panel-mount" fuse - used to protect electrical apparatus from overcurrents. This type of fuse features 2 or 3 key components and its application field and working principle are described in the following paragraphs. The 3ABP 100 is composed of two main components: a metal base and a fuse element. The base is a metal cylinder, usually made of brass or copper, with an internal thread for fastening to a panel. In addition, the base contains a flag or blade screw that is used to fasten the fuse element in place. The fuse element is a cylindrical body that contains an inner core of copper wire. This wire is wound onto a ceramic tube and is held in place by two metal clips. The 3ABP 100 is mainly used in the field of electrical power distribution. It is installed in panel boards, switchboards, and other electrical distribution devices. In these devices, the fuses provide the necessary protection from overcurrents. This is accomplished by the fuse element melting when the current exceeds the predetermined limit. As the fuse element melts, the current is interrupted and the overload is effectively isolated. The working principle of the 3ABP 100 is relatively simple. When the device is subject to an overload current, the fuse element heats up. The heat created by the current causes the fuse element to melt, thereby breaking the circuit. The interrupted current flow prevents any further damage to the electrical components or other equipment. In addition to its main purpose of protecting electrical devices, the 3ABP 100 can also be used to indicate or monitor the current load in a circuit. By adding a secondary winding to the base, the fuse can be used as an ammeter. When the current load in the circuit is low, the secondary winding remains cool. If, however, the current load increases, the secondary winding will heat up, indicating that the circuit is overloaded. In conclusion, the 3ABP 100 is a type of panel-mount fuse that is used for the purpose of protecting electrical devices from overcurrents. Its simple construction and design make it suitable for a wide variety of applications. Additionally, its ability to indicate electrical overloads makes it an important tool for preventing damage to sensitive electrical equipment.

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