3AB 375-R

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	2 Ohms
Size / Dimension:	0.250" Dia x 1.252" L (6.35mm x 31.80mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus
Melting I²t:	0.07
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Holder
Series:	3AB
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	375mA
Fuse Type:	Cartridge, Ceramic
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The 3AB 375-R is a fuse type that is specially designed for high-temperature and severe environments. It is a slow blow fuse with a 125C rating that uses an HRC (Highly Reliable Component) to ensure maximum reliability in demanding applications. The fuse has two basic types – the solid-state and the non-solid-state fuses, both of which have their own unique advantages and limitations.

Application Field

The 3AB 375-R is primarily used to protect electrical devices and equipment from damage due to overloading or short circuits. It is commonly employed in photovoltaic systems for the protection of solar panels, as well as in lifts and elevators for the protection of applications such as door motors, vacuum tube aspirators, and lift car controllers. The 3AB 375-R fuse is also frequently employed in other industrial applications such as power supplies, instrumentation, HVAC, battery back-up systems, and audio systems. It can also be used in telecommunications, industrial lighting, medical equipment, and fire-suppression systems.

Working Principle

The 3AB 375-R fuse is designed to respond quickly and accurately to any changes in the electrical current. When the current increases, the fuse melts, breaking the electrical connection and stopping the electrical current. The fuse will restore itself as the current decreases, allowing the circuit to be reconnected. The 3AB 375-R also has a unique design feature that allows it to continue to function correctly even in high-temperature environments. The fuse has an HRC (Highly Reliable Component) that ensures its reliability in extreme conditions. This component acts as a resistance element when the current passing through the fuse increases, increasing the melting temperature and slowing the reaction time.

Conclusion

The 3AB 375-R fuse is a reliable and versatile component that is designed to protect electrical systems from damage caused by overloading or short circuits. It is primarily used in photovoltaic systems, lifts and elevators, as well as a range of other industrial applications. The fuse has an HRC (Highly Reliable Component) which allows it to continue functioning even in extreme conditions. It works by melting when the current passing through it increases, breaking the connection and stopping the current. Overall, the 3AB 375-R fuse is an excellent choice for protecting electrical systems in a variety of industries. It is highly reliable, efficient, and easy to install. It can ensure consistent protection in even the most challenging conditions and is thus a wise choice for the protection of vital electrical systems.

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