0326.187H

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	7.67 Ohms
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Color:	--
Operating Temperature:	--
Approvals:	--
Melting I²t:	0.23
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Holder
Series:	326
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	187mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are electrical circuit components commonly used to protect against overloads and short circuits. The 0326.187H is a type of fast-acting cylindrical fuse, which has become one of the most widely used fuse types due to its superior dynamic characteristics, robust design and fast response. This article provides an in depth look into the applications, design and working principle of the 0326.187H.

Applications

The 0326.187H is ideally suited for use in commercial and industrial applications, providing reliable protection to electrical circuitry, components, and equipment. It is most commonly used in power distribution systems, industrial plants, electronic and electrical apparatuses, motor starters, lighting systems, transformers, switching equipment, electronic power supplies and motor drives.

Design

The 0326.187H is an industry-standard fast-acting cylindrical fuse, measuring up to 3/4” (19.1mm) in diameter and 2-1/2” (63.5mm) in length. It features a nickel-plated brass body, silver-plated end caps, and sealed clear epoxy construction which provides superior thermal and mechanical stability. This design is both durable and reliable, ensuring optimal protection in commercial and industrial applications.

Working Principle

The 0326.187H works by limiting the amount of current that can be supplied in the event of an overload or short circuit. This type of fuse is designed to respond quickly to abnormal conditions, activating a switch and disconnecting the power from the circuit to protect other components.When the current beyond the rated amperage, the resistance element, usually made up of finely wound copper or zinc wires, will quickly become heated and melt. This meltdown interrupts the flow of electricity, cutting off the circuit and preventing further damage to downstream components.

Conclusion

The 0326.187H is a reliable and dependable fast-acting cylindrical fuse ideally suited for use in commercial and industrial applications. It is designed for optimal protection against overheating, overloads and short circuits, and provides superior thermal and mechanical stability. By understanding its applications, design, and working principle, it is possible to ensure that it is used in the proper setting for optimal performance.

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